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Finding the Third Proportional to 12,691 and 29,250

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Solution

The third proportional to 12,691 and 29,250 is: 67,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691 : 29,250 = 29,250 : x
  2. Step 2: Convert to fraction form
    12,691/29,250 = 29,250/x
  3. Step 3: Cross multiply
    12,691x = 29,250 × 29,250
  4. Step 4: Simplify right side
    12,691x = 855,562,500
  5. Step 5: Solve for x
    x = 855,562,500/12,691
  6. Step 6: Final answer
    x = 67,414.90

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.