Finding the Third Proportional to 15,640,872 and 32,711,832
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Solution
The third proportional to 15,640,872 and 32,711,832 is: 68,414,596.88
Step by Step Solution
- Step 1: Write the proportion equation
15,640,872 : 32,711,832 = 32,711,832 : x - Step 2: Convert to fraction form
15,640,872/32,711,832 = 32,711,832/x - Step 3: Cross multiply
15,640,872x = 32,711,832 × 32,711,832 - Step 4: Simplify right side
15,640,872x = 1,070,063,952,796,224 - Step 5: Solve for x
x = 1,070,063,952,796,224/15,640,872 - Step 6: Final answer
x = 68,414,596.88
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.