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Finding the Third Proportional to 110.38 and 238.94

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Solution

The third proportional to 110.38 and 238.94 is: 517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.38 : 238.94 = 238.94 : x
  2. Step 2: Convert to fraction form
    110.38/238.94 = 238.94/x
  3. Step 3: Cross multiply
    110.38x = 238.94 × 238.94
  4. Step 4: Simplify right side
    110.38x = 57,091.13
  5. Step 5: Solve for x
    x = 57,091.13/110.38
  6. Step 6: Final answer
    x = 517.25

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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.