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Finding the Third Proportional to 37,220 and 50,542

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Solution

The third proportional to 37,220 and 50,542 is: 68,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220 : 50,542 = 50,542 : x
  2. Step 2: Convert to fraction form
    37,220/50,542 = 50,542/x
  3. Step 3: Cross multiply
    37,220x = 50,542 × 50,542
  4. Step 4: Simplify right side
    37,220x = 2,554,493,764
  5. Step 5: Solve for x
    x = 2,554,493,764/37,220
  6. Step 6: Final answer
    x = 68,632.29

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.