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Finding the Third Proportional to 125,311 and 271,397

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Solution

The third proportional to 125,311 and 271,397 is: 587,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,311 : 271,397 = 271,397 : x
  2. Step 2: Convert to fraction form
    125,311/271,397 = 271,397/x
  3. Step 3: Cross multiply
    125,311x = 271,397 × 271,397
  4. Step 4: Simplify right side
    125,311x = 73,656,331,609
  5. Step 5: Solve for x
    x = 73,656,331,609/125,311
  6. Step 6: Final answer
    x = 587,788.24

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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.