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Finding the Third Proportional to 1,192,987 and 1,806,857

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Solution

The third proportional to 1,192,987 and 1,806,857 is: 2,736,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,987 : 1,806,857 = 1,806,857 : x
  2. Step 2: Convert to fraction form
    1,192,987/1,806,857 = 1,806,857/x
  3. Step 3: Cross multiply
    1,192,987x = 1,806,857 × 1,806,857
  4. Step 4: Simplify right side
    1,192,987x = 3,264,732,218,449
  5. Step 5: Solve for x
    x = 3,264,732,218,449/1,192,987
  6. Step 6: Final answer
    x = 2,736,603.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.