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Finding the Third Proportional to 118.50 and 271

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Solution

The third proportional to 118.50 and 271 is: 619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.50 : 271 = 271 : x
  2. Step 2: Convert to fraction form
    118.50/271 = 271/x
  3. Step 3: Cross multiply
    118.50x = 271 × 271
  4. Step 4: Simplify right side
    118.50x = 73,441
  5. Step 5: Solve for x
    x = 73,441/118.50
  6. Step 6: Final answer
    x = 619.76

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.