 | Edwin Pliny Seaver, George Augustus Walton - Algebra - 1881 - 304 pages
...written ? Compare the ratio 3:2 with the ratio 15:10. Write the proportion. 189. The first and last terms of a proportion are called the extremes, and the second and third are called the means. What are the extremes and what the means in the proportion A:B=C:Dt 190. If we... | |
 | Simon Newcomb - Algebra - 1882 - 302 pages
...equation may be read, " As a is to b, so is p to q," whenever that expression is the clearer. Def. The first and fourth terms of a proportion are called the extremes; the second and third are called the means. Theorems of Proportion. 181. THEOREM I. In a proportion... | |
 | Webster Wells - 1885 - 368 pages
...be written in either of the forms : ï -, a с * я a:b = c:d, - = -, or a : b : : с : a. bd 290. The first and fourth terms of a proportion are called the extremes; and the second and third terms the means. Thus, in the proportion a:b = c:d, a and d are the extremes, and b and с the means. 291.... | |
 | Webster Wells - Algebra - 1885 - 372 pages
...ma\' be written in either of the forms : а с a:b — с: d, — = — , or a: b : : c: d. bd 290. The first and fourth terms of a proportion are called the extremes; and the second and third terms the means. Thus, in the proportion a : b = с : d, a and d are the extremes, and b and с the means.... | |
 | Webster Wells - Algebra - 1885 - 370 pages
...written in either of the forms : / j а с , , a : b = с : а, - = -, or a : b : : с : a. ba 290. The first and fourth terms of a proportion are called the extremes; and the second and third terms the means. Thus, in the • proportion a : b = с : d, a and d are the extremes, and b and с the means.... | |
 | Andrew Jackson Rickoff - Arithmetic - 1886 - 688 pages
...first and second terms make the first couplet; the third and fourth terms, the second couplet. 352. The first and fourth terms of a proportion are called the extremes; the second and third are called the means. EXERCISES IN FINDING RATIOS Find the ratios of the following... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 370 pages
...is to 6 as 10 is to 15 ; 4 : 6 = 10 : 15 is read the ratio of 4 to 6 equals the ratio of 10 to 15. The first and fourth terms of a proportion are called...and the second and third terms are called the means. Three numbers are said to be in proportion when the ratio of the first to the second equals the ratio... | |
 | Webster Wells - Algebra - 1889 - 584 pages
...second term the consequent. Thus in the ratio a : b, a is the antecedent, and .b is the consequent. The first and fourth terms of a proportion are called the extremes, and the second and third terms the means. Thus in the proportion a : b = с : d, a and d are the extremes, and b and с the means.... | |
 | John Bernard Clarke - Algebra - 1889 - 566 pages
...mean proportional or mean (Arithmetical, Harmonic, or Geometrical,) between the other two. In general, the first and fourth terms of. a proportion are called the extremes, and the second and third the means, the antecedents and consequents of the ratios preserving their names in the proportion.... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...: 6 = 10 : 15 is read the ratio of 4 to 6 equals the ratio of 10 to 15. The first and fourth tarnis of a proportion are called the extremes, and the second and third terms are called the means. Three numbers are said to be in proportion when the ratio of the first to the second equals the ratio... | |
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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. 
