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Finding the Third Proportional to 133.03 and 171.14

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Solution

The third proportional to 133.03 and 171.14 is: 220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.03 : 171.14 = 171.14 : x
  2. Step 2: Convert to fraction form
    133.03/171.14 = 171.14/x
  3. Step 3: Cross multiply
    133.03x = 171.14 × 171.14
  4. Step 4: Simplify right side
    133.03x = 29,289.11
  5. Step 5: Solve for x
    x = 29,289.11/133.03
  6. Step 6: Final answer
    x = 220.17

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.