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Finding the Third Proportional to 961,801 and 2,115,571

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Solution

The third proportional to 961,801 and 2,115,571 is: 4,653,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,801 : 2,115,571 = 2,115,571 : x
  2. Step 2: Convert to fraction form
    961,801/2,115,571 = 2,115,571/x
  3. Step 3: Cross multiply
    961,801x = 2,115,571 × 2,115,571
  4. Step 4: Simplify right side
    961,801x = 4,475,640,656,041
  5. Step 5: Solve for x
    x = 4,475,640,656,041/961,801
  6. Step 6: Final answer
    x = 4,653,395.72

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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.