Multiply both numbers of the ratio, 2:9, by any non-zero number. You will have an equivalent ratio.
It is: 2 to 9
2:3
You require at least two ratios for them to be equivalent (or not).
2:9
270 to 90 is an equivalent ratio.
What ratios is equivalent to 9:8
8 for every 18
40%
The equivalent ratio of 204 to 306 is 2 to 3
14 to 18
4 to 3
It is: 3 to 4