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Finding the Third Proportional to 382,530 and 840,552

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Solution

The third proportional to 382,530 and 840,552 is: 1,846,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,530 : 840,552 = 840,552 : x
  2. Step 2: Convert to fraction form
    382,530/840,552 = 840,552/x
  3. Step 3: Cross multiply
    382,530x = 840,552 × 840,552
  4. Step 4: Simplify right side
    382,530x = 706,527,664,704
  5. Step 5: Solve for x
    x = 706,527,664,704/382,530
  6. Step 6: Final answer
    x = 1,846,986.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.