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Finding the Third Proportional to 250,244.65 and 387,807.43

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Solution

The third proportional to 250,244.65 and 387,807.43 is: 600,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,244.65 : 387,807.43 = 387,807.43 : x
  2. Step 2: Convert to fraction form
    250,244.65/387,807.43 = 387,807.43/x
  3. Step 3: Cross multiply
    250,244.65x = 387,807.43 × 387,807.43
  4. Step 4: Simplify right side
    250,244.65x = 150,394,605,550.57
  5. Step 5: Solve for x
    x = 150,394,605,550.57/250,244.65
  6. Step 6: Final answer
    x = 600,990.30

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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.