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The third proportional to 16 and 36 is:
Question

The third proportional to 16 and 36 is:

A.

49

B.

64

C.

81

D.

144

Correct option is C

Given:

We are to find the third proportional to 16 and 36.

Formula Used:

x =b2a \frac{b^2}{a}

Solution:

x =36216=129616=81= \frac{36^2}{16} = \frac{1296}{16} = 81

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