The third proportional to 8 and 10 correct to two places of decimal is 12.50

True

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False

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Solution

The correct option is A True
If a : b :: b : c, then we say that a, b, c are in continued
proportion, and c is the third proportional of a and b.
Here, $b^{2} = a c$ or $c = \frac{b^{2}}{a}$
So, for $8, 10$ , the third proportional is $c = \frac{b^{2}}{a} = \frac{10^{2}}{8} = 12.50$

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Similar questions

Find the square root of :

(i) 245 correct to two places of decimal.

(ii) 496 correct to three places of decimal.

(iii) 82.6 correct to two places of decimal.

(iv) 0.065 correct to three places of decimal.

(v) 5.2005 correct to two places of decimal.

(vi) 0.602 correct to two places of decimal.

6 \frac{7}{8}

10 \frac{2}{3}

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