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Finding the Third Proportional to 844,939 and 1,878,787

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Solution

The third proportional to 844,939 and 1,878,787 is: 4,177,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,939 : 1,878,787 = 1,878,787 : x
  2. Step 2: Convert to fraction form
    844,939/1,878,787 = 1,878,787/x
  3. Step 3: Cross multiply
    844,939x = 1,878,787 × 1,878,787
  4. Step 4: Simplify right side
    844,939x = 3,529,840,591,369
  5. Step 5: Solve for x
    x = 3,529,840,591,369/844,939
  6. Step 6: Final answer
    x = 4,177,627.72

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.