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Finding the Third Proportional to 3,027.38 and 5,138.44

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Solution

The third proportional to 3,027.38 and 5,138.44 is: 8,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.38 : 5,138.44 = 5,138.44 : x
  2. Step 2: Convert to fraction form
    3,027.38/5,138.44 = 5,138.44/x
  3. Step 3: Cross multiply
    3,027.38x = 5,138.44 × 5,138.44
  4. Step 4: Simplify right side
    3,027.38x = 26,403,539.94
  5. Step 5: Solve for x
    x = 26,403,539.94/3,027.38
  6. Step 6: Final answer
    x = 8,721.60

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.