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Finding the Third Proportional to 171,439.03 and 394,287.75

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Solution

The third proportional to 171,439.03 and 394,287.75 is: 906,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,439.03 : 394,287.75 = 394,287.75 : x
  2. Step 2: Convert to fraction form
    171,439.03/394,287.75 = 394,287.75/x
  3. Step 3: Cross multiply
    171,439.03x = 394,287.75 × 394,287.75
  4. Step 4: Simplify right side
    171,439.03x = 155,462,829,800.06
  5. Step 5: Solve for x
    x = 155,462,829,800.06/171,439.03
  6. Step 6: Final answer
    x = 906,811.18

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.