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Finding the Third Proportional to 787,571 and 1,717,682

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Solution

The third proportional to 787,571 and 1,717,682 is: 3,746,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,571 : 1,717,682 = 1,717,682 : x
  2. Step 2: Convert to fraction form
    787,571/1,717,682 = 1,717,682/x
  3. Step 3: Cross multiply
    787,571x = 1,717,682 × 1,717,682
  4. Step 4: Simplify right side
    787,571x = 2,950,431,453,124
  5. Step 5: Solve for x
    x = 2,950,431,453,124/787,571
  6. Step 6: Final answer
    x = 3,746,241.87

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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.