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Finding the Third Proportional to 1,222,691 and 2,681,577

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Solution

The third proportional to 1,222,691 and 2,681,577 is: 5,881,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,691 : 2,681,577 = 2,681,577 : x
  2. Step 2: Convert to fraction form
    1,222,691/2,681,577 = 2,681,577/x
  3. Step 3: Cross multiply
    1,222,691x = 2,681,577 × 2,681,577
  4. Step 4: Simplify right side
    1,222,691x = 7,190,855,206,929
  5. Step 5: Solve for x
    x = 7,190,855,206,929/1,222,691
  6. Step 6: Final answer
    x = 5,881,171.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.