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Finding the Third Proportional to 133.44 and 194.97

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Solution

The third proportional to 133.44 and 194.97 is: 284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.44 : 194.97 = 194.97 : x
  2. Step 2: Convert to fraction form
    133.44/194.97 = 194.97/x
  3. Step 3: Cross multiply
    133.44x = 194.97 × 194.97
  4. Step 4: Simplify right side
    133.44x = 38,012.81
  5. Step 5: Solve for x
    x = 38,012.81/133.44
  6. Step 6: Final answer
    x = 284.87

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.