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Finding the Third Proportional to 63.38 and 94.13

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Solution

The third proportional to 63.38 and 94.13 is: 139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.38 : 94.13 = 94.13 : x
  2. Step 2: Convert to fraction form
    63.38/94.13 = 94.13/x
  3. Step 3: Cross multiply
    63.38x = 94.13 × 94.13
  4. Step 4: Simplify right side
    63.38x = 8,859.52
  5. Step 5: Solve for x
    x = 8,859.52/63.38
  6. Step 6: Final answer
    x = 139.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.