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Finding the Third Proportional to 1,331,217 and 2,911,266

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Solution

The third proportional to 1,331,217 and 2,911,266 is: 6,366,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,217 : 2,911,266 = 2,911,266 : x
  2. Step 2: Convert to fraction form
    1,331,217/2,911,266 = 2,911,266/x
  3. Step 3: Cross multiply
    1,331,217x = 2,911,266 × 2,911,266
  4. Step 4: Simplify right side
    1,331,217x = 8,475,469,722,756
  5. Step 5: Solve for x
    x = 8,475,469,722,756/1,331,217
  6. Step 6: Final answer
    x = 6,366,707.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.