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Finding the Third Proportional to 151.03 and 171.07

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Solution

The third proportional to 151.03 and 171.07 is: 193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.03 : 171.07 = 171.07 : x
  2. Step 2: Convert to fraction form
    151.03/171.07 = 171.07/x
  3. Step 3: Cross multiply
    151.03x = 171.07 × 171.07
  4. Step 4: Simplify right side
    151.03x = 29,265.05
  5. Step 5: Solve for x
    x = 29,265.05/151.03
  6. Step 6: Final answer
    x = 193.77

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.