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Finding the Third Proportional to 63.13 and 95.31

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Solution

The third proportional to 63.13 and 95.31 is: 143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.13 : 95.31 = 95.31 : x
  2. Step 2: Convert to fraction form
    63.13/95.31 = 95.31/x
  3. Step 3: Cross multiply
    63.13x = 95.31 × 95.31
  4. Step 4: Simplify right side
    63.13x = 9,084.47
  5. Step 5: Solve for x
    x = 9,084.47/63.13
  6. Step 6: Final answer
    x = 143.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.