Answer:
1 to 6.
Explanation:
Let x represent our required value.
We are asked to find the missing value for the given ratio comparing 75 centimeters to 3 meters.
We can see that our one quantity is in centimeters and other is in meters. First of all, we will convert our given quantity in centimeters as:
1 meter = 100 centimeters,
3 meters = 3*100 centimeters = 300 centimeters.
Now, let us compare our given quantities as:

Flip the fractions:



Therefore, our required ratio is 1 to 6.