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Finding the Third Proportional to 1,218,880 and 2,625,067

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Solution

The third proportional to 1,218,880 and 2,625,067 is: 5,653,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,880 : 2,625,067 = 2,625,067 : x
  2. Step 2: Convert to fraction form
    1,218,880/2,625,067 = 2,625,067/x
  3. Step 3: Cross multiply
    1,218,880x = 2,625,067 × 2,625,067
  4. Step 4: Simplify right side
    1,218,880x = 6,890,976,754,489
  5. Step 5: Solve for x
    x = 6,890,976,754,489/1,218,880
  6. Step 6: Final answer
    x = 5,653,531.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.