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Finding the Third Proportional to 37,217 and 80,122

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Solution

The third proportional to 37,217 and 80,122 is: 172,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,217 : 80,122 = 80,122 : x
  2. Step 2: Convert to fraction form
    37,217/80,122 = 80,122/x
  3. Step 3: Cross multiply
    37,217x = 80,122 × 80,122
  4. Step 4: Simplify right side
    37,217x = 6,419,534,884
  5. Step 5: Solve for x
    x = 6,419,534,884/37,217
  6. Step 6: Final answer
    x = 172,489.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.