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Finding the Third Proportional to 201.09 and 223.88

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Solution

The third proportional to 201.09 and 223.88 is: 249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.09 : 223.88 = 223.88 : x
  2. Step 2: Convert to fraction form
    201.09/223.88 = 223.88/x
  3. Step 3: Cross multiply
    201.09x = 223.88 × 223.88
  4. Step 4: Simplify right side
    201.09x = 50,120.02
  5. Step 5: Solve for x
    x = 50,120.02/201.09
  6. Step 6: Final answer
    x = 249.24

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.