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Finding the Third Proportional to 7,859,656 and 12,498,084

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Solution

The third proportional to 7,859,656 and 12,498,084 is: 19,873,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,656 : 12,498,084 = 12,498,084 : x
  2. Step 2: Convert to fraction form
    7,859,656/12,498,084 = 12,498,084/x
  3. Step 3: Cross multiply
    7,859,656x = 12,498,084 × 12,498,084
  4. Step 4: Simplify right side
    7,859,656x = 156,202,103,671,056
  5. Step 5: Solve for x
    x = 156,202,103,671,056/7,859,656
  6. Step 6: Final answer
    x = 19,873,910.98

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.