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Finding the Third Proportional to 787,614 and 1,717,767

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Solution

The third proportional to 787,614 and 1,717,767 is: 3,746,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,614 : 1,717,767 = 1,717,767 : x
  2. Step 2: Convert to fraction form
    787,614/1,717,767 = 1,717,767/x
  3. Step 3: Cross multiply
    787,614x = 1,717,767 × 1,717,767
  4. Step 4: Simplify right side
    787,614x = 2,950,723,466,289
  5. Step 5: Solve for x
    x = 2,950,723,466,289/787,614
  6. Step 6: Final answer
    x = 3,746,408.10

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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.