The third proportional to 81 and 27 is ........

Quantitative Aptitude (CHSL) Ratio, Proportion

The third proportional to 81 and 27 is:

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SSC CHSL 26th May 2022 Shift-3

- The third proportional is found when you have three numbers, a, b, and c, in the proportion a:b = b:c.

- In this case, 81:27 = 27:c.

- You can find c by setting up the equation: 81/27 = 27/c.

- Solving the equation gives: 81c = 27^2.

- So, c = 27^2 / 81 = 9.

Correct Answer: Option:4 - 9

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