Correct option is B
Given:
Two numbers: 4 and 9
Formula Used:
If a:b = b:c, then c is the third proportional.
Solution:
4:9 = 9:c
4c = 9 * 9
4c = 81
c = 81 / 4 = 20
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Question
The third proportional to 4 and 9 is:
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If the third proportional of 28 and 70 be x, then what is the value of x?
- 2)
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- 3)
T1 and T2 are the third proportional to 16, 36 and 24, 60, respectively. Find the ratio of T1 to T2.
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What is the smallest number that should be added to 40 so that the result is the third proportional to 16 and 28?
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