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Finding the Third Proportional to 110.38 and 161.56

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Solution

The third proportional to 110.38 and 161.56 is: 236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.38 : 161.56 = 161.56 : x
  2. Step 2: Convert to fraction form
    110.38/161.56 = 161.56/x
  3. Step 3: Cross multiply
    110.38x = 161.56 × 161.56
  4. Step 4: Simplify right side
    110.38x = 26,102.44
  5. Step 5: Solve for x
    x = 26,102.44/110.38
  6. Step 6: Final answer
    x = 236.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.