Final answer:
To find the missing number or sentence, we can use the concept of proportions. The missing value in the given ratio is found to be 12.
Step-by-step explanation:
To find the missing number or sentence, we can use the concept of proportions. The given ratio is 9 times 6 : 54 : : __________ : 12 times 8. We can set up the proportion: 9 * 6 = 54, and __________ * 8 = 12 * 8. Solving for the missing value, we get: __________ = 12.