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Finding the Third Proportional to 40,017.38 and 60,132.38

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Solution

The third proportional to 40,017.38 and 60,132.38 is: 90,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.38 : 60,132.38 = 60,132.38 : x
  2. Step 2: Convert to fraction form
    40,017.38/60,132.38 = 60,132.38/x
  3. Step 3: Cross multiply
    40,017.38x = 60,132.38 × 60,132.38
  4. Step 4: Simplify right side
    40,017.38x = 3,615,902,523.14
  5. Step 5: Solve for x
    x = 3,615,902,523.14/40,017.38
  6. Step 6: Final answer
    x = 90,358.31

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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.