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Finding the Third Proportional to 3,855,478.50 and 8,375,607

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Solution

The third proportional to 3,855,478.50 and 8,375,607 is: 18,195,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,478.50 : 8,375,607 = 8,375,607 : x
  2. Step 2: Convert to fraction form
    3,855,478.50/8,375,607 = 8,375,607/x
  3. Step 3: Cross multiply
    3,855,478.50x = 8,375,607 × 8,375,607
  4. Step 4: Simplify right side
    3,855,478.50x = 70,150,792,618,449
  5. Step 5: Solve for x
    x = 70,150,792,618,449/3,855,478.50
  6. Step 6: Final answer
    x = 18,195,093.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.