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Finding the Third Proportional to 39.23 and 60.12

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Solution

The third proportional to 39.23 and 60.12 is: 92.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.23 : 60.12 = 60.12 : x
  2. Step 2: Convert to fraction form
    39.23/60.12 = 60.12/x
  3. Step 3: Cross multiply
    39.23x = 60.12 × 60.12
  4. Step 4: Simplify right side
    39.23x = 3,614.08
  5. Step 5: Solve for x
    x = 3,614.08/39.23
  6. Step 6: Final answer
    x = 92.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.