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Finding the Third Proportional to 15,555,721 and 22,408,542

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Solution

The third proportional to 15,555,721 and 22,408,542 is: 32,280,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555,721 : 22,408,542 = 22,408,542 : x
  2. Step 2: Convert to fraction form
    15,555,721/22,408,542 = 22,408,542/x
  3. Step 3: Cross multiply
    15,555,721x = 22,408,542 × 22,408,542
  4. Step 4: Simplify right side
    15,555,721x = 502,142,754,565,764
  5. Step 5: Solve for x
    x = 502,142,754,565,764/15,555,721
  6. Step 6: Final answer
    x = 32,280,262.33

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.