Finding the Third Proportional to 71,431,076 and 155,039,368
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Solution
The third proportional to 71,431,076 and 155,039,368 is: 336,509,079.46
Step by Step Solution
- Step 1: Write the proportion equation
71,431,076 : 155,039,368 = 155,039,368 : x - Step 2: Convert to fraction form
71,431,076/155,039,368 = 155,039,368/x - Step 3: Cross multiply
71,431,076x = 155,039,368 × 155,039,368 - Step 4: Simplify right side
71,431,076x = 24,037,205,629,839,424 - Step 5: Solve for x
x = 24,037,205,629,839,424/71,431,076 - Step 6: Final answer
x = 336,509,079.46
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.