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Finding the Third Proportional to 54,342 and 73,134

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Solution

The third proportional to 54,342 and 73,134 is: 98,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342 : 73,134 = 73,134 : x
  2. Step 2: Convert to fraction form
    54,342/73,134 = 73,134/x
  3. Step 3: Cross multiply
    54,342x = 73,134 × 73,134
  4. Step 4: Simplify right side
    54,342x = 5,348,581,956
  5. Step 5: Solve for x
    x = 5,348,581,956/54,342
  6. Step 6: Final answer
    x = 98,424.46

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.