 The first and last terms of a proportion are called the extremes, and the two middle terms are called the means.  New Plane Geometry - Page 161by Wooster Woodruff Beman, David Eugene Smith - 1899 - 252 pagesFull view - About this book
 | George William Myers - Mathematics - 1909 - 394 pages
...is it ? 12. Is 2:5=5:15 a proportion? Is 2:7=8:25 a proportion ? Give reasons for your answers. 96. The first and last terms of a proportion are called the extremes ; the second and third, the means. 1. Compare the product of the extremes with the product of the means... | |
 | James Charles Byrnes - 1913 - 468 pages
...of the colon is not equal to the ratio on the other side, we say that the proportion is false. 534. The first and last terms of a proportion are called the extremes and the second and third terms are called the means. Thus, in 3 :5 : : 6 : 10 the extremes are 3 and 10 ; and... | |
 | James Charles Byrnes, Julia Richman, John Storm Roberts - Arithmetic - 1913 - 468 pages
...of the colon is not equal to the ratio on the other side, we say that the proportion is false. 534. The first and last terms of a proportion are called the extremes and the second and third terms are called the means. Thus, in 3 : 5 : : 6 : 10 the extremes are 3 and 10 ;... | |
 | Joseph Victor Collins - Algebra - 1913 - 362 pages
...138. Definitions. The first term of a ratio is called the antecedent and the last term the consequent. The first and last terms of a proportion are called the extremes, and the second and third terms the means. If the second and third terms of a proportion are the same quantity,... | |
 | John Alexander Luman - Arithmetic - 1914 - 366 pages
...Proportion is indicated by placing four points between the ratios — thus, 6 : 12 : : 24 : 48 798. The first and last terms of a proportion are called the extremes ; the second and third, the means. 799. In any proportion, the product of the extremes equals the product... | |
 | George Albert Wentworth, David Eugene Smith - Arithmetic - 1914 - 396 pages
...to 15 ft." It may, of course, be written simply 2 : 3 = 10 : 15, or ^ = i^. 125. Extremes and Means. The first and last terms of a proportion are called the extremes ; the second and third terms are called the means. In the proportion f = « I ' we see that 7 X 15... | |
 | George Wentworth, David Eugene Smith - Arithmetic - 1915 - 324 pages
...to 15 ft." It may, of course, be written simply 2 : 3 = 10 : 15, or J = 1£. 34. Extremes and Means. The first and last terms of a proportion are called the extremes ; the second and third terms are called the means. In the proportion | = ££, we see that 7 x 15 =... | |
 | Robert Burdette Dale - Arithmetic - 1915 - 260 pages
...days : 12 days. Increasing the number of men from 4 to 6 decreases the number of days from 12 to 8. The first and last terms of a proportion are called the extremes. The second and third terms are called the means. (Extreme) : (Mean):: (Mean) : (Extreme) 2 : 3 :: 12... | |
 | George Wentworth, David Eugene Smith - Arithmetic - 1915 - 320 pages
...to 15 ft." It may, of course, be written simply 2 : 3 = 10 : 15, or J = 1$. 34. Extremes and Means. The first and last terms of a proportion are called the extremes; the second and third terms are called the means. In the proportion ^ = ^-|, we see that 7 x 15 = 3... | |
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