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Finding the Third Proportional to 61,400 and 132,217

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Solution

The third proportional to 61,400 and 132,217 is: 284,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400 : 132,217 = 132,217 : x
  2. Step 2: Convert to fraction form
    61,400/132,217 = 132,217/x
  3. Step 3: Cross multiply
    61,400x = 132,217 × 132,217
  4. Step 4: Simplify right side
    61,400x = 17,481,335,089
  5. Step 5: Solve for x
    x = 17,481,335,089/61,400
  6. Step 6: Final answer
    x = 284,712.30

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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.