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Finding the Third Proportional to 8,392,794.75 and 12,620,346.75

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Solution

The third proportional to 8,392,794.75 and 12,620,346.75 is: 18,977,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,794.75 : 12,620,346.75 = 12,620,346.75 : x
  2. Step 2: Convert to fraction form
    8,392,794.75/12,620,346.75 = 12,620,346.75/x
  3. Step 3: Cross multiply
    8,392,794.75x = 12,620,346.75 × 12,620,346.75
  4. Step 4: Simplify right side
    8,392,794.75x = 159,273,152,090,235.56
  5. Step 5: Solve for x
    x = 159,273,152,090,235.56/8,392,794.75
  6. Step 6: Final answer
    x = 18,977,367.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.