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Finding the Third Proportional to 4,027 and 9,149

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Solution

The third proportional to 4,027 and 9,149 is: 20,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027 : 9,149 = 9,149 : x
  2. Step 2: Convert to fraction form
    4,027/9,149 = 9,149/x
  3. Step 3: Cross multiply
    4,027x = 9,149 × 9,149
  4. Step 4: Simplify right side
    4,027x = 83,704,201
  5. Step 5: Solve for x
    x = 83,704,201/4,027
  6. Step 6: Final answer
    x = 20,785.75

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.