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Finding the Third Proportional to 108.14 and 180.42

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Solution

The third proportional to 108.14 and 180.42 is: 301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.14 : 180.42 = 180.42 : x
  2. Step 2: Convert to fraction form
    108.14/180.42 = 180.42/x
  3. Step 3: Cross multiply
    108.14x = 180.42 × 180.42
  4. Step 4: Simplify right side
    108.14x = 32,552.05
  5. Step 5: Solve for x
    x = 32,552.05/108.14
  6. Step 6: Final answer
    x = 301.02

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.