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Finding the Third Proportional to 37,624 and 81,730

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Solution

The third proportional to 37,624 and 81,730 is: 177,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,624 : 81,730 = 81,730 : x
  2. Step 2: Convert to fraction form
    37,624/81,730 = 81,730/x
  3. Step 3: Cross multiply
    37,624x = 81,730 × 81,730
  4. Step 4: Simplify right side
    37,624x = 6,679,792,900
  5. Step 5: Solve for x
    x = 6,679,792,900/37,624
  6. Step 6: Final answer
    x = 177,540.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.