Advertisements
Advertisements
Question
Show that 2, 12 and 72 are in continued proportion.
Advertisements
Solution
Three numbers a, b and c are in continued
proportion if, a : b : : b : c
The numbers are 2, 12 and 72
`"a"/"b" = 2/12 = 1/6`
`"b"/"c" = 12/72 = 1/6`
As, `"a"/"b" = "b"/"c"`
∴ 2, 12 and 72 are in continued proportion.
APPEARS IN
RELATED QUESTIONS
Find the compound ratio of `sqrt(2) : 1, 3: sqrt(5)` and `sqrt(20) : 9`
If `(y- x)/x = 3/8` , find the value of `y /x`
Which of the Following Ratio is Greater ?
3 : 5 and 2 : 11
If x2, 4 and 9 are in continued proportion, find x.
Given `(x^3 + 12x)/(6x^2 + 8) = (y^3 + 27y)/(9y^2 + 27)`. Using componendo and dividendo, find x : y.
Arrange 5: 6, 8: 9, 13: 18 and 7: 12 in ascending order of magnitude.
If x, y, and z are in continued proportion, then which of the following is true:
x : y = x : z
In an examination, the ratio of passes to failures was 4 : 1. If 30 less had appeared and 20 less passed, the ratio of passes to failures would have been 5 : 1. How many students appeared for the examination
When Chinmay visted chowpati at Mumbai on a holiday, he observed that the ratio of North Indian food stalls to South Indian food stalls is 5 : 4. If the total number of food stalls is 117, find the number of each type of food stalls.
Fill in the following blanks:
`15/18 = square/6 = 10/square = square/30`
[Are these equivalent ratios?]
