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Finding the Third Proportional to 108.84 and 145.97

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Solution

The third proportional to 108.84 and 145.97 is: 195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.84 : 145.97 = 145.97 : x
  2. Step 2: Convert to fraction form
    108.84/145.97 = 145.97/x
  3. Step 3: Cross multiply
    108.84x = 145.97 × 145.97
  4. Step 4: Simplify right side
    108.84x = 21,306.88
  5. Step 5: Solve for x
    x = 21,306.88/108.84
  6. Step 6: Final answer
    x = 195.76

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.