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Finding the Third Proportional to 12,790,183.50 and 19,659,732.75

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Solution

The third proportional to 12,790,183.50 and 19,659,732.75 is: 30,218,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790,183.50 : 19,659,732.75 = 19,659,732.75 : x
  2. Step 2: Convert to fraction form
    12,790,183.50/19,659,732.75 = 19,659,732.75/x
  3. Step 3: Cross multiply
    12,790,183.50x = 19,659,732.75 × 19,659,732.75
  4. Step 4: Simplify right side
    12,790,183.50x = 386,505,091,801,422.56
  5. Step 5: Solve for x
    x = 386,505,091,801,422.56/12,790,183.50
  6. Step 6: Final answer
    x = 30,218,885.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.