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Finding the Third Proportional to 193.92 and 271.27

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Solution

The third proportional to 193.92 and 271.27 is: 379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.92 : 271.27 = 271.27 : x
  2. Step 2: Convert to fraction form
    193.92/271.27 = 271.27/x
  3. Step 3: Cross multiply
    193.92x = 271.27 × 271.27
  4. Step 4: Simplify right side
    193.92x = 73,585.04
  5. Step 5: Solve for x
    x = 73,585.04/193.92
  6. Step 6: Final answer
    x = 379.46

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.