 | Elmer Adelbert Lyman - Arithmetic - 1905 - 268 pages
...' Ol K 1 CC Check by putting 2 j for x, then ±t.»|, or ±f== 2. o 7 2iL 7 226. The first and last terms of a proportion are called the extremes, and the second and third terms the means. 227. In any proportion the product of the means is equal to the product of the extremes.... | |
 | John Charles Stone, James Franklin Millis - Algebra - 1905 - 776 pages
...terms of the ratios in a proportion are called the terms of the proportion. The first and fourth terms are called the extremes, and the second and third terms are called the means of the proportion. Thus, in 2: x=6x>: Зх3, 2 and Зге* are the extremes, and x and бх2 are the... | |
 | International Correspondence Schools - Arithmetic - 1906 - 576 pages
...ratio of the first term to the second term equals the ratio of the third term to the fourth term. 135. The first and fourth terms of a proportion are called the extremes, and the second and third terms, the meaiis. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.... | |
 | William James Milne - Arithmetic - 1906 - 364 pages
...equal to the ratio of 8 to 12 " ; or more briefly, "4 is to 6 as 8 is to 12." 503. The first and last terms of a proportion are called the extremes, and the second and third terms the means. In 4 : 6 = 8 : 12, the extremes are 4 and 12 ; the means, 6 and 8. 504. 1. In the proportion... | |
 | William James Milne - Arithmetic - 1906 - 364 pages
...equal to the ratio of 8 to 12 " ; or more briefly, "4 is to 6 as 8 is to 12." 503. The first and last terms of a proportion are called the extremes, and the second and third terms the means. In 4 : 6 = 8 : 12, the extremes are 4 and 12 ; the means, 6 and 8. 504. 1. In the proportion... | |
 | John Marvin Colaw, Frank Williamson Duke - Arithmetic - 1906 - 408 pages
...equations (Art. 345) and to fractions apply also to proportions. 435. The first and fourth numbers of a proportion are called the extremes, and the second and third the means. Name the extremes and the means in the proportion 436. I. Consider the proportion 3 : 8... | |
 | Charles Hamilton Ashton, Walter Randall Marsh - Algebra - 1907 - 304 pages
...antecedents and consequents of the ratios are called the antecedents and consequents of the proportion. The first and fourth terms of a proportion are called...and the second and third terms are called the means. The terms of a proportion are said to be proportional. The fourth term of a proportion is called a... | |
 | John William Hopkins - Arithmetic - 1907 - 376 pages
...: 20, is also |-. Statement (2) may read 9 is as large compared with 15 as 12 is compared with 20. The first and fourth terms of a proportion are called...and the second and third terms are called the means, of the proportion. In a proportion the product of the extremes is equal to the product of the means.... | |
 | Frank H. Hall - Arithmetic - 1907 - 364 pages
...76 : 19 p. x : 40 : : 36 : 48 To find the missing term of a proportion without finding the ratio : The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means; thus, in the proportion 12 : 6 = 8 : 4, 12 and 4 are the extremes, and 6 and 8 are the means.... | |
 | George William Myers, Sarah Catherine Brooks - Arithmetic - 1907 - 432 pages
...fourth numbers of a proportion are called the first, second, third, and fourth terms of the proportion. The first and fourth terms of a proportion are called the extremes, and the second and the third terms, the means. The first two terms of a proportion are together called the first couplet,... | |
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The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means. 
