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Finding the Third Proportional to 1,859,847 and 3,942,891

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Solution

The third proportional to 1,859,847 and 3,942,891 is: 8,358,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,847 : 3,942,891 = 3,942,891 : x
  2. Step 2: Convert to fraction form
    1,859,847/3,942,891 = 3,942,891/x
  3. Step 3: Cross multiply
    1,859,847x = 3,942,891 × 3,942,891
  4. Step 4: Simplify right side
    1,859,847x = 15,546,389,437,881
  5. Step 5: Solve for x
    x = 15,546,389,437,881/1,859,847
  6. Step 6: Final answer
    x = 8,358,961.48

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.