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Finding the Third Proportional to 54,640 and 82,462

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Solution

The third proportional to 54,640 and 82,462 is: 124,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640 : 82,462 = 82,462 : x
  2. Step 2: Convert to fraction form
    54,640/82,462 = 82,462/x
  3. Step 3: Cross multiply
    54,640x = 82,462 × 82,462
  4. Step 4: Simplify right side
    54,640x = 6,799,981,444
  5. Step 5: Solve for x
    x = 6,799,981,444/54,640
  6. Step 6: Final answer
    x = 124,450.61

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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.