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Finding the Third Proportional to 39.38 and 60.98

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Solution

The third proportional to 39.38 and 60.98 is: 94.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.38 : 60.98 = 60.98 : x
  2. Step 2: Convert to fraction form
    39.38/60.98 = 60.98/x
  3. Step 3: Cross multiply
    39.38x = 60.98 × 60.98
  4. Step 4: Simplify right side
    39.38x = 3,719.09
  5. Step 5: Solve for x
    x = 3,719.09/39.38
  6. Step 6: Final answer
    x = 94.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.