The third proportional to 0.13 and 0.52 is:

Correct option is D

Given:

First term (a) = 0.13

Second term (b) = 0.52

Concept Used:

In third proportion, if

​$$\frac{a}{b} = \frac{b}{c} \Rightarrow c = \frac{b^2}{a}$$​​

Solution:

c = $$\frac{(0.52)^2}{0.13} = \frac{0.2704}{0.13} = 2.08$$​​