Advertisements
Advertisements
Question
Find the third proportional to 0.24, 0.6
Advertisements
Solution
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
RELATED QUESTIONS
If u, v, w, and x are in continued proportion, then prove that (2u+3x) : (3u+4x) : : (2u3+3v3) : (3u3+4v3)
`("pqr")^2 (1/"p"^4 + 1/"q"^4 + 1/"r"^4) = ("p"^4 + "q"^4 + "r"^4)/"q"^2`
If `a/b = c/d = r/f`, prove that `((a^2b^2 + c^2d^2 + e^2f^2)/(ab^3 + cd^3 + ef^3))^(3/2) = sqrt((ace)/(bdf)`
Write (T) for true and (F) for false in case of the following:
36 : 45 : : 80 : 100
If 9 kg of rice costs Rs 327.60, what will be the cost of 50 kg of rice?
The cost of 4 dozen bananas is Rs 104. How many bananas can be purchased for Rs 6.50?
If Rs 760 is divided between A and B in the ratio 8 : 11, then B's share is
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 a, b, c are in continued proportion, prove that: abc(a + b + c)3 = (ab + bc + ca)3
Choose the correct answer from the given options :
The fourth proportional to 3, 4, 5 is
Are the ratios 25g: 30g and 40 kg: 48 kg in proportion?
