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Finding the Third Proportional to 1,890,723 and 2,858,589

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Solution

The third proportional to 1,890,723 and 2,858,589 is: 4,321,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,723 : 2,858,589 = 2,858,589 : x
  2. Step 2: Convert to fraction form
    1,890,723/2,858,589 = 2,858,589/x
  3. Step 3: Cross multiply
    1,890,723x = 2,858,589 × 2,858,589
  4. Step 4: Simplify right side
    1,890,723x = 8,171,531,070,921
  5. Step 5: Solve for x
    x = 8,171,531,070,921/1,890,723
  6. Step 6: Final answer
    x = 4,321,908.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.