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Finding the Third Proportional to 860,923.88 and 1,876,859.25

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Solution

The third proportional to 860,923.88 and 1,876,859.25 is: 4,091,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,923.88 : 1,876,859.25 = 1,876,859.25 : x
  2. Step 2: Convert to fraction form
    860,923.88/1,876,859.25 = 1,876,859.25/x
  3. Step 3: Cross multiply
    860,923.88x = 1,876,859.25 × 1,876,859.25
  4. Step 4: Simplify right side
    860,923.88x = 3,522,600,644,310.56
  5. Step 5: Solve for x
    x = 3,522,600,644,310.56/860,923.88
  6. Step 6: Final answer
    x = 4,091,651.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.