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Finding the Third Proportional to 118.13 and 237.94

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Solution

The third proportional to 118.13 and 237.94 is: 479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.13 : 237.94 = 237.94 : x
  2. Step 2: Convert to fraction form
    118.13/237.94 = 237.94/x
  3. Step 3: Cross multiply
    118.13x = 237.94 × 237.94
  4. Step 4: Simplify right side
    118.13x = 56,614.25
  5. Step 5: Solve for x
    x = 56,614.25/118.13
  6. Step 6: Final answer
    x = 479.27

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.