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Finding the Third Proportional to 3,979,266.75 and 8,525,854.69

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Solution

The third proportional to 3,979,266.75 and 8,525,854.69 is: 18,267,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,266.75 : 8,525,854.69 = 8,525,854.69 : x
  2. Step 2: Convert to fraction form
    3,979,266.75/8,525,854.69 = 8,525,854.69/x
  3. Step 3: Cross multiply
    3,979,266.75x = 8,525,854.69 × 8,525,854.69
  4. Step 4: Simplify right side
    3,979,266.75x = 72,690,198,152,365.72
  5. Step 5: Solve for x
    x = 72,690,198,152,365.72/3,979,266.75
  6. Step 6: Final answer
    x = 18,267,234.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.