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Finding the Third Proportional to 8,554,977 and 19,022,661

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Solution

The third proportional to 8,554,977 and 19,022,661 is: 42,298,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554,977 : 19,022,661 = 19,022,661 : x
  2. Step 2: Convert to fraction form
    8,554,977/19,022,661 = 19,022,661/x
  3. Step 3: Cross multiply
    8,554,977x = 19,022,661 × 19,022,661
  4. Step 4: Simplify right side
    8,554,977x = 361,861,631,520,921
  5. Step 5: Solve for x
    x = 361,861,631,520,921/8,554,977
  6. Step 6: Final answer
    x = 42,298,375.73

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.