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Finding the Third Proportional to 28.12 and 60.41

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Solution

The third proportional to 28.12 and 60.41 is: 129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.12 : 60.41 = 60.41 : x
  2. Step 2: Convert to fraction form
    28.12/60.41 = 60.41/x
  3. Step 3: Cross multiply
    28.12x = 60.41 × 60.41
  4. Step 4: Simplify right side
    28.12x = 3,648.94
  5. Step 5: Solve for x
    x = 3,648.94/28.12
  6. Step 6: Final answer
    x = 129.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.