SSC GD 2023 PYQ — Question 43

The correct answer is option 3 i.e. 54.

Concept used:

If x is the third proportion of a and b then

⇒ x = b²/a

Calculations:

Let the third proportion be x.

According to the question;

⇒ 24 : 36 :: 36 : x

⇒ 24x = 36 × 36

⇒ x = 1296/24

⇒ x = 54