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Finding the Third Proportional to 71,508 and 107,124

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Solution

The third proportional to 71,508 and 107,124 is: 160,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,508 : 107,124 = 107,124 : x
  2. Step 2: Convert to fraction form
    71,508/107,124 = 107,124/x
  3. Step 3: Cross multiply
    71,508x = 107,124 × 107,124
  4. Step 4: Simplify right side
    71,508x = 11,475,551,376
  5. Step 5: Solve for x
    x = 11,475,551,376/71,508
  6. Step 6: Final answer
    x = 160,479.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.