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Finding the Third Proportional to 412,631 and 874,941

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Solution

The third proportional to 412,631 and 874,941 is: 1,855,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,631 : 874,941 = 874,941 : x
  2. Step 2: Convert to fraction form
    412,631/874,941 = 874,941/x
  3. Step 3: Cross multiply
    412,631x = 874,941 × 874,941
  4. Step 4: Simplify right side
    412,631x = 765,521,753,481
  5. Step 5: Solve for x
    x = 765,521,753,481/412,631
  6. Step 6: Final answer
    x = 1,855,221.14

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.