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Finding the Third Proportional to 2,127,978 and 3,387,675

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Solution

The third proportional to 2,127,978 and 3,387,675 is: 5,393,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,978 : 3,387,675 = 3,387,675 : x
  2. Step 2: Convert to fraction form
    2,127,978/3,387,675 = 3,387,675/x
  3. Step 3: Cross multiply
    2,127,978x = 3,387,675 × 3,387,675
  4. Step 4: Simplify right side
    2,127,978x = 11,476,341,905,625
  5. Step 5: Solve for x
    x = 11,476,341,905,625/2,127,978
  6. Step 6: Final answer
    x = 5,393,073.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.