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Finding the Third Proportional to 3,432.38 and 7,027.88

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Solution

The third proportional to 3,432.38 and 7,027.88 is: 14,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.38 : 7,027.88 = 7,027.88 : x
  2. Step 2: Convert to fraction form
    3,432.38/7,027.88 = 7,027.88/x
  3. Step 3: Cross multiply
    3,432.38x = 7,027.88 × 7,027.88
  4. Step 4: Simplify right side
    3,432.38x = 49,391,027.02
  5. Step 5: Solve for x
    x = 49,391,027.02/3,432.38
  6. Step 6: Final answer
    x = 14,389.75

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.