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SSC GD 2023 PYQ — Question 50

SSC GD Constable (English) - 27 Jan 2023 - Shift 3 • Quantitative Aptitude • Q50

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Find the third proportional to 16 and 320.

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 6400.

Let the third proportion be x

Then, 

16 : 320 :: 320 : x

⇒ 16/320 = 320/x

⇒ x = (320 × 320)/16

⇒ x = 6400

Hence, the third proportion is 6400.