Finding the Third Proportional to 74,305,720 and 157,639,376
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Solution
The third proportional to 74,305,720 and 157,639,376 is: 334,431,492.83
Step by Step Solution
- Step 1: Write the proportion equation
74,305,720 : 157,639,376 = 157,639,376 : x - Step 2: Convert to fraction form
74,305,720/157,639,376 = 157,639,376/x - Step 3: Cross multiply
74,305,720x = 157,639,376 × 157,639,376 - Step 4: Simplify right side
74,305,720x = 24,850,172,865,669,376 - Step 5: Solve for x
x = 24,850,172,865,669,376/74,305,720 - Step 6: Final answer
x = 334,431,492.83
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.