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Finding the Third Proportional to 48,730 and 71,366

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Solution

The third proportional to 48,730 and 71,366 is: 104,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730 : 71,366 = 71,366 : x
  2. Step 2: Convert to fraction form
    48,730/71,366 = 71,366/x
  3. Step 3: Cross multiply
    48,730x = 71,366 × 71,366
  4. Step 4: Simplify right side
    48,730x = 5,093,105,956
  5. Step 5: Solve for x
    x = 5,093,105,956/48,730
  6. Step 6: Final answer
    x = 104,516.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.