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Finding the Third Proportional to 20.88 and 44.85

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Solution

The third proportional to 20.88 and 44.85 is: 96.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20.88 : 44.85 = 44.85 : x
  2. Step 2: Convert to fraction form
    20.88/44.85 = 44.85/x
  3. Step 3: Cross multiply
    20.88x = 44.85 × 44.85
  4. Step 4: Simplify right side
    20.88x = 2,011.58
  5. Step 5: Solve for x
    x = 2,011.58/20.88
  6. Step 6: Final answer
    x = 96.33

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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.