Advertisements
Advertisements
प्रश्न
Find the third proportion to the following :
3 and 15
Advertisements
उत्तर
Let x be the third proportion
3 : 15 :: 15 : x
⇒ 3 × x- 15 x 15
⇒ 3 x = 225
⇒ x = 75
The third proportion is 75.
APPEARS IN
संबंधित प्रश्न
If a, b, c are in continued proportion, show that: `(a^2 + b^2)/(b(a + c)) = (b(a + c))/(b^2 + c^2)`.
If q is the mean proportional between p and r, show that: pqr(p + q + r)3 = (pq + qr + rp)3.
What number must be added to each of the number 16, 26 and 40 so that the resulting numbers may be in continued proportion?
Check whether the following numbers are in continued proportion.
9, 12, 16
If the cost of a dozen soaps is Rs 285.60, what will be the cost of 15 such soaps?
If a, b, c are in continued proportion, prove that: `(a + b)/(b + c) = (a^2(b - c))/(b^2(a - b)`.
Choose the correct answer from the given options :
The third proportional to `6(1)/(4)` and 5 is
If two ratios are equal, then they are in ______.
Write True (T) or False (F) against the following statement:
8 : 9 : : 24 : 27
The first, third, and fourth terms of a proportion are 9, 24, and 32. Find the second term.
