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Finding the Third Proportional to 3,112,879 and 6,838,625

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Solution

The third proportional to 3,112,879 and 6,838,625 is: 15,023,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,879 : 6,838,625 = 6,838,625 : x
  2. Step 2: Convert to fraction form
    3,112,879/6,838,625 = 6,838,625/x
  3. Step 3: Cross multiply
    3,112,879x = 6,838,625 × 6,838,625
  4. Step 4: Simplify right side
    3,112,879x = 46,766,791,890,625
  5. Step 5: Solve for x
    x = 46,766,791,890,625/3,112,879
  6. Step 6: Final answer
    x = 15,023,645.92

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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.