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Finding the Third Proportional to 28.11 and 60.99

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Solution

The third proportional to 28.11 and 60.99 is: 132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.11 : 60.99 = 60.99 : x
  2. Step 2: Convert to fraction form
    28.11/60.99 = 60.99/x
  3. Step 3: Cross multiply
    28.11x = 60.99 × 60.99
  4. Step 4: Simplify right side
    28.11x = 3,719.45
  5. Step 5: Solve for x
    x = 3,719.45/28.11
  6. Step 6: Final answer
    x = 132.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.