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Finding the Third Proportional to 42,132 and 63,306

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Solution

The third proportional to 42,132 and 63,306 is: 95,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132 : 63,306 = 63,306 : x
  2. Step 2: Convert to fraction form
    42,132/63,306 = 63,306/x
  3. Step 3: Cross multiply
    42,132x = 63,306 × 63,306
  4. Step 4: Simplify right side
    42,132x = 4,007,649,636
  5. Step 5: Solve for x
    x = 4,007,649,636/42,132
  6. Step 6: Final answer
    x = 95,121.28

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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.