What three ratios are equivalent to 3/9?

Three ratios that are equivalent to 3/9 are:

1. 1/3: Divide both the numerator and the denominator by 3 to simplify the ratio.
(3 ÷ 3) / (9 ÷ 3) = 1/3

2. 6/18: Multiply both the numerator and the denominator by 2 to get an equivalent ratio.
(3 × 2) / (9 × 2) = 6/18

3. 2/6: Simplify the ratio by dividing both the numerator and the denominator by 3.
(3 ÷ 3) / (9 ÷ 3) = 2/6