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Finding the Third Proportional to 54,058 and 81,006

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Solution

The third proportional to 54,058 and 81,006 is: 121,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,058 : 81,006 = 81,006 : x
  2. Step 2: Convert to fraction form
    54,058/81,006 = 81,006/x
  3. Step 3: Cross multiply
    54,058x = 81,006 × 81,006
  4. Step 4: Simplify right side
    54,058x = 6,561,972,036
  5. Step 5: Solve for x
    x = 6,561,972,036/54,058
  6. Step 6: Final answer
    x = 121,387.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.