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Finding the Third Proportional to 3,928,200.96 and 8,456,750.44

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Solution

The third proportional to 3,928,200.96 and 8,456,750.44 is: 18,205,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,200.96 : 8,456,750.44 = 8,456,750.44 : x
  2. Step 2: Convert to fraction form
    3,928,200.96/8,456,750.44 = 8,456,750.44/x
  3. Step 3: Cross multiply
    3,928,200.96x = 8,456,750.44 × 8,456,750.44
  4. Step 4: Simplify right side
    3,928,200.96x = 71,516,627,962,156.44
  5. Step 5: Solve for x
    x = 71,516,627,962,156.44/3,928,200.96
  6. Step 6: Final answer
    x = 18,205,949.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.