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Finding the Third Proportional to 15,204,872 and 31,487,633

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Solution

The third proportional to 15,204,872 and 31,487,633 is: 65,207,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,872 : 31,487,633 = 31,487,633 : x
  2. Step 2: Convert to fraction form
    15,204,872/31,487,633 = 31,487,633/x
  3. Step 3: Cross multiply
    15,204,872x = 31,487,633 × 31,487,633
  4. Step 4: Simplify right side
    15,204,872x = 991,471,031,942,689
  5. Step 5: Solve for x
    x = 991,471,031,942,689/15,204,872
  6. Step 6: Final answer
    x = 65,207,456.66

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.