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Finding the Third Proportional to 179.75 and 240.13

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Solution

The third proportional to 179.75 and 240.13 is: 320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.75 : 240.13 = 240.13 : x
  2. Step 2: Convert to fraction form
    179.75/240.13 = 240.13/x
  3. Step 3: Cross multiply
    179.75x = 240.13 × 240.13
  4. Step 4: Simplify right side
    179.75x = 57,660.02
  5. Step 5: Solve for x
    x = 57,660.02/179.75
  6. Step 6: Final answer
    x = 320.78

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.