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Finding the Third Proportional to 54,427 and 84,068

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Solution

The third proportional to 54,427 and 84,068 is: 129,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,427 : 84,068 = 84,068 : x
  2. Step 2: Convert to fraction form
    54,427/84,068 = 84,068/x
  3. Step 3: Cross multiply
    54,427x = 84,068 × 84,068
  4. Step 4: Simplify right side
    54,427x = 7,067,428,624
  5. Step 5: Solve for x
    x = 7,067,428,624/54,427
  6. Step 6: Final answer
    x = 129,851.52

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.