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Finding the Third Proportional to 4,028,947 and 6,247,661

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Solution

The third proportional to 4,028,947 and 6,247,661 is: 9,688,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028,947 : 6,247,661 = 6,247,661 : x
  2. Step 2: Convert to fraction form
    4,028,947/6,247,661 = 6,247,661/x
  3. Step 3: Cross multiply
    4,028,947x = 6,247,661 × 6,247,661
  4. Step 4: Simplify right side
    4,028,947x = 39,033,267,970,921
  5. Step 5: Solve for x
    x = 39,033,267,970,921/4,028,947
  6. Step 6: Final answer
    x = 9,688,205.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.