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Finding the Third Proportional to 48,458 and 75,059

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Solution

The third proportional to 48,458 and 75,059 is: 116,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458 : 75,059 = 75,059 : x
  2. Step 2: Convert to fraction form
    48,458/75,059 = 75,059/x
  3. Step 3: Cross multiply
    48,458x = 75,059 × 75,059
  4. Step 4: Simplify right side
    48,458x = 5,633,853,481
  5. Step 5: Solve for x
    x = 5,633,853,481/48,458
  6. Step 6: Final answer
    x = 116,262.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.