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Finding the Third Proportional to 201.38 and 234.56

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Solution

The third proportional to 201.38 and 234.56 is: 273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.38 : 234.56 = 234.56 : x
  2. Step 2: Convert to fraction form
    201.38/234.56 = 234.56/x
  3. Step 3: Cross multiply
    201.38x = 234.56 × 234.56
  4. Step 4: Simplify right side
    201.38x = 55,019.57
  5. Step 5: Solve for x
    x = 55,019.57/201.38
  6. Step 6: Final answer
    x = 273.22

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.