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Finding the Third Proportional to 787,559 and 1,717,661

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Solution

The third proportional to 787,559 and 1,717,661 is: 3,746,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,559 : 1,717,661 = 1,717,661 : x
  2. Step 2: Convert to fraction form
    787,559/1,717,661 = 1,717,661/x
  3. Step 3: Cross multiply
    787,559x = 1,717,661 × 1,717,661
  4. Step 4: Simplify right side
    787,559x = 2,950,359,310,921
  5. Step 5: Solve for x
    x = 2,950,359,310,921/787,559
  6. Step 6: Final answer
    x = 3,746,207.35

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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.