Question
Find out the third proportion to 18 and
27.Solution
ATQ,
Third proportion of 'a' and 'b' = (b² / a)
So, third proportion = (27² / 18) = (729 / 18) = 40.5
More Ratio and proportion Questions
1, 7, 25, 61, ?
- What will come in place of (?) in the given number series.
121, 100, 81, 64, ?, 36 84, 97, ?, 162, 214, 279
2807, 1400, 697, 346, 171, 84, 41, ?
?, 32, 75, 144, 245, 384
7.5% of 820.68 - 95% of 945.06 + 12.8% of 1050= ?
10, 94, 115, 138, 163, ?
What will come in place of the question mark (?) in the following series?
100, 729, 64, 343, 36, ?
72, 216, 54, 270, ?, 315
43, 56, 82, ?, 173, 238
Relevant for Exams:
