Advertisements
Advertisements
प्रश्न
Find the third proportional to 0.24, 0.6
Advertisements
उत्तर
Let x be the third proportional to 0.24, 0.6
then 0.24 : 0.6 : : 0.6 : x
∴ 0.24 × x = 0.6 x 0.6
x = `(0.6 xx 0.6)/(0.24)`
= 1.5.
∴ Third proportional = 1.5.
APPEARS IN
संबंधित प्रश्न
What least number must be added to each of the numbers 16, 7, 79 and 43 so that the resulting
numbers are in proportion?
Find the mean proportion of the following :
24 and 6
If u, v, w, and x are in continued proportion, then prove that (2u+3x) : (3u+4x) : : (2u3+3v3) : (3u3+4v3)
What number must be added to each of the numbers 6, 15, 20 and 43 to make them proportional?
If 15 tins of the same size contain 234 kg of oil, how much oil will there be in 10 such tins?
If b is the mean proportional between a and c, prove that a, c, a² + b², and b² + c² are proportional.
If `a/c = c/d = c/f` prove that : `(a^2)/(b^2) + (c^2)/(d^2) + (e^2)/(f^2) = "ac"/"bd" + "ce"/"df" + "ae"/"df"`
If a, b, c and d are in proportion, prove that: `(a + c)^3/(b + d)^3 = (a(a - c)^2)/(b(b - d)^2)`
If q is the mean proportional between p and r, prove that: p3 – 3q2 + r2 = `q^4(1/p^2 - 3/q^2 + 1/r^2)`
What is the term "d" called in the expression a : b :: c : d?
