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Finding the Third Proportional to 54,626 and 82,439

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Solution

The third proportional to 54,626 and 82,439 is: 124,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,626 : 82,439 = 82,439 : x
  2. Step 2: Convert to fraction form
    54,626/82,439 = 82,439/x
  3. Step 3: Cross multiply
    54,626x = 82,439 × 82,439
  4. Step 4: Simplify right side
    54,626x = 6,796,188,721
  5. Step 5: Solve for x
    x = 6,796,188,721/54,626
  6. Step 6: Final answer
    x = 124,413.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.