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Finding the Third Proportional to 408,626 and 897,846

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Solution

The third proportional to 408,626 and 897,846 is: 1,972,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,626 : 897,846 = 897,846 : x
  2. Step 2: Convert to fraction form
    408,626/897,846 = 897,846/x
  3. Step 3: Cross multiply
    408,626x = 897,846 × 897,846
  4. Step 4: Simplify right side
    408,626x = 806,127,439,716
  5. Step 5: Solve for x
    x = 806,127,439,716/408,626
  6. Step 6: Final answer
    x = 1,972,775.69

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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.