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Finding the Third Proportional to 133.13 and 177.94

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Solution

The third proportional to 133.13 and 177.94 is: 237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.13 : 177.94 = 177.94 : x
  2. Step 2: Convert to fraction form
    133.13/177.94 = 177.94/x
  3. Step 3: Cross multiply
    133.13x = 177.94 × 177.94
  4. Step 4: Simplify right side
    133.13x = 31,661.75
  5. Step 5: Solve for x
    x = 31,661.75/133.13
  6. Step 6: Final answer
    x = 237.83

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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.