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Finding the Third Proportional to 48,439 and 108,218

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Solution

The third proportional to 48,439 and 108,218 is: 241,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439 : 108,218 = 108,218 : x
  2. Step 2: Convert to fraction form
    48,439/108,218 = 108,218/x
  3. Step 3: Cross multiply
    48,439x = 108,218 × 108,218
  4. Step 4: Simplify right side
    48,439x = 11,711,135,524
  5. Step 5: Solve for x
    x = 11,711,135,524/48,439
  6. Step 6: Final answer
    x = 241,770.79

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.