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Finding the Third Proportional to 201.38 and 263.44

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Solution

The third proportional to 201.38 and 263.44 is: 344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.38 : 263.44 = 263.44 : x
  2. Step 2: Convert to fraction form
    201.38/263.44 = 263.44/x
  3. Step 3: Cross multiply
    201.38x = 263.44 × 263.44
  4. Step 4: Simplify right side
    201.38x = 69,399.32
  5. Step 5: Solve for x
    x = 69,399.32/201.38
  6. Step 6: Final answer
    x = 344.63

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.