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Finding the Third Proportional to 996,879 and 2,135,508

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Solution

The third proportional to 996,879 and 2,135,508 is: 4,574,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,879 : 2,135,508 = 2,135,508 : x
  2. Step 2: Convert to fraction form
    996,879/2,135,508 = 2,135,508/x
  3. Step 3: Cross multiply
    996,879x = 2,135,508 × 2,135,508
  4. Step 4: Simplify right side
    996,879x = 4,560,394,418,064
  5. Step 5: Solve for x
    x = 4,560,394,418,064/996,879
  6. Step 6: Final answer
    x = 4,574,671.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.