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Finding the Third Proportional to 441,446 and 683,405

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Solution

The third proportional to 441,446 and 683,405 is: 1,057,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,446 : 683,405 = 683,405 : x
  2. Step 2: Convert to fraction form
    441,446/683,405 = 683,405/x
  3. Step 3: Cross multiply
    441,446x = 683,405 × 683,405
  4. Step 4: Simplify right side
    441,446x = 467,042,394,025
  5. Step 5: Solve for x
    x = 467,042,394,025/441,446
  6. Step 6: Final answer
    x = 1,057,983.07

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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.