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Finding the Third Proportional to 1,187,969 and 2,612,067

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Solution

The third proportional to 1,187,969 and 2,612,067 is: 5,743,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,969 : 2,612,067 = 2,612,067 : x
  2. Step 2: Convert to fraction form
    1,187,969/2,612,067 = 2,612,067/x
  3. Step 3: Cross multiply
    1,187,969x = 2,612,067 × 2,612,067
  4. Step 4: Simplify right side
    1,187,969x = 6,822,894,012,489
  5. Step 5: Solve for x
    x = 6,822,894,012,489/1,187,969
  6. Step 6: Final answer
    x = 5,743,326.65

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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.