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Finding the Third Proportional to 3,479,793.75 and 7,640,433

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Solution

The third proportional to 3,479,793.75 and 7,640,433 is: 16,775,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,793.75 : 7,640,433 = 7,640,433 : x
  2. Step 2: Convert to fraction form
    3,479,793.75/7,640,433 = 7,640,433/x
  3. Step 3: Cross multiply
    3,479,793.75x = 7,640,433 × 7,640,433
  4. Step 4: Simplify right side
    3,479,793.75x = 58,376,216,427,489
  5. Step 5: Solve for x
    x = 58,376,216,427,489/3,479,793.75
  6. Step 6: Final answer
    x = 16,775,769.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.