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Finding the Third Proportional to 3,189.38 and 4,954.92

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Solution

The third proportional to 3,189.38 and 4,954.92 is: 7,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.38 : 4,954.92 = 4,954.92 : x
  2. Step 2: Convert to fraction form
    3,189.38/4,954.92 = 4,954.92/x
  3. Step 3: Cross multiply
    3,189.38x = 4,954.92 × 4,954.92
  4. Step 4: Simplify right side
    3,189.38x = 24,551,250.79
  5. Step 5: Solve for x
    x = 24,551,250.79/3,189.38
  6. Step 6: Final answer
    x = 7,697.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.