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Finding the Third Proportional to 394,494.75 and 862,800.75

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Solution

The third proportional to 394,494.75 and 862,800.75 is: 1,887,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,494.75 : 862,800.75 = 862,800.75 : x
  2. Step 2: Convert to fraction form
    394,494.75/862,800.75 = 862,800.75/x
  3. Step 3: Cross multiply
    394,494.75x = 862,800.75 × 862,800.75
  4. Step 4: Simplify right side
    394,494.75x = 744,425,134,200.56
  5. Step 5: Solve for x
    x = 744,425,134,200.56/394,494.75
  6. Step 6: Final answer
    x = 1,887,034.32

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.