 | Nicolas Pike - Arithmetic - 1822 - 562 pages
...will be the mean proportional sought. PROB. I. To find a mean proportional between teo numbers. Note. When the first is to the second as the second is to the third, the second is called a mean proportional between the other two. Thus, '1 is a mean proportional between 2 and... | |
 | Nicolas Pike - Arithmetic - 1832 - 544 pages
...and extract the square root of the product; which root will be the mean proportional sought. Note. When the first is to the second as the second is to the third, the second is called a mean proportional between the other two. Thus, 4 is a mean proportional between 2 and 8,... | |
 | Luther Ainsworth - Arithmetic - 1837 - 306 pages
...Ant. 35. Q. What is meant by the mean proportion between any two numbers ? A. When the first number : is to the second : : as the second : is to the third, the second is said to be a mean proportion between the other two numbers ; thus 8 is a mean proportion between... | |
 | Luther Ainsworth - Arithmetic - 1837 - 298 pages
...Ans. 35. Q. What is meant by the mean proportion between any two numbers ? A. When the first number : is to the second ! ! as the second : is to the third, the second is said to be a mean proportion between the other two numbers ; thus 8 is a mean proportion between... | |
 | William Ruger - Arithmetic - 1841 - 268 pages
...sought. EXAMPLES. 1. What is the mean proportional between 24 and 96 ? 24x96=V2304= Ans. 48. NOTE.—When the first is to the second, as the second is to the third, the second is called a mean proportional between the other two, thus. 24: 48:: 96. 2. A cheese weighed in one... | |
 | Dennis M'Curdy - Geometry - 1846 - 168 pages
...less. 6. Magnitudes which have the same ratio are called proportionals; of which it is usually said, " the first is to the second as the second is to the third; or, the first is to the second as the third is to the fourth. 7. The ratio of one couplet (or antecedent... | |
 | James Bates Thomson - Arithmetic - 1846 - 354 pages
...third in 30 min.: how long will it take all of them together to empty it? COMPOUND PROPORTION. 330. Compound Proportion is an equality between a compound ratio and a simple one. (Arts. 308, 310.) Thus, 8 : 4) 10 „ . , A rlfi.Si :,lsa com p oun d proportion. That is, 8x6:... | |
 | James Bates Thomson - Arithmetic - 1846 - 362 pages
...of them together to empty it ? how Jong will it take tixe "boy to mo\N Va COMPOUND PROPORTION. 329. COMPOUND PROPORTION is an equality between a compound ratio and a simple one. (Arts. 309. a, 310.) Thus, 8 : 4 > 10 0 . , j ' g . g > : : 12 : 3, is a compound proportion.... | |
 | James Bates Thomson - Arithmetic - 1846 - 402 pages
...third in 30 min.: how long will it take all of them together to empty it? COMPOUND PROPORTION. 399. Compound Proportion is an equality between a compound ratio and a simple one. (Arts. 308, 310.) Thus, 8 : 4 > , „ „ . , A ri fi • •? ( ' ' ls a corn P ouni i proportion.... | |
 | Joseph Ray - Algebra - 1848 - 248 pages
...That is, if the product of the first and third of two quantities, is equal to the square of a second, the first is to the second, as the second is to the third. Or 2 : 4 : : 4 : 8. Illustration. If 4 : 6 : : 6 : 9, then 4X9=6 J =36. If 2X8=16, then 2 : /16 : :... | |
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A compound proportion is an equality between a compound ratio and a simple ratio, or between two compound ratios. 370. Three terms are in proportion when the first is to the second as the second is to the third. The second term is 
