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Finding the Third Proportional to 73,908 and 131,400

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Solution

The third proportional to 73,908 and 131,400 is: 233,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,908 : 131,400 = 131,400 : x
  2. Step 2: Convert to fraction form
    73,908/131,400 = 131,400/x
  3. Step 3: Cross multiply
    73,908x = 131,400 × 131,400
  4. Step 4: Simplify right side
    73,908x = 17,265,960,000
  5. Step 5: Solve for x
    x = 17,265,960,000/73,908
  6. Step 6: Final answer
    x = 233,614.22

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.