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Finding the Third Proportional to 392,789.25 and 600,615

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Solution

The third proportional to 392,789.25 and 600,615 is: 918,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,789.25 : 600,615 = 600,615 : x
  2. Step 2: Convert to fraction form
    392,789.25/600,615 = 600,615/x
  3. Step 3: Cross multiply
    392,789.25x = 600,615 × 600,615
  4. Step 4: Simplify right side
    392,789.25x = 360,738,378,225
  5. Step 5: Solve for x
    x = 360,738,378,225/392,789.25
  6. Step 6: Final answer
    x = 918,401.86

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.