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Finding the Third Proportional to 20.75 and 44.75

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Solution

The third proportional to 20.75 and 44.75 is: 96.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20.75 : 44.75 = 44.75 : x
  2. Step 2: Convert to fraction form
    20.75/44.75 = 44.75/x
  3. Step 3: Cross multiply
    20.75x = 44.75 × 44.75
  4. Step 4: Simplify right side
    20.75x = 2,002.56
  5. Step 5: Solve for x
    x = 2,002.56/20.75
  6. Step 6: Final answer
    x = 96.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.