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Finding the Third Proportional to 149.88 and 240.94

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Solution

The third proportional to 149.88 and 240.94 is: 387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.88 : 240.94 = 240.94 : x
  2. Step 2: Convert to fraction form
    149.88/240.94 = 240.94/x
  3. Step 3: Cross multiply
    149.88x = 240.94 × 240.94
  4. Step 4: Simplify right side
    149.88x = 58,050.88
  5. Step 5: Solve for x
    x = 58,050.88/149.88
  6. Step 6: Final answer
    x = 387.33

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.