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Finding the Third Proportional to 1,211,859 and 1,842,972.75

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Solution

The third proportional to 1,211,859 and 1,842,972.75 is: 2,802,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,859 : 1,842,972.75 = 1,842,972.75 : x
  2. Step 2: Convert to fraction form
    1,211,859/1,842,972.75 = 1,842,972.75/x
  3. Step 3: Cross multiply
    1,211,859x = 1,842,972.75 × 1,842,972.75
  4. Step 4: Simplify right side
    1,211,859x = 3,396,548,557,242.56
  5. Step 5: Solve for x
    x = 3,396,548,557,242.56/1,211,859
  6. Step 6: Final answer
    x = 2,802,758.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.