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Finding the Third Proportional to 784,138.59 and 1,198,745.63

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Solution

The third proportional to 784,138.59 and 1,198,745.63 is: 1,832,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,138.59 : 1,198,745.63 = 1,198,745.63 : x
  2. Step 2: Convert to fraction form
    784,138.59/1,198,745.63 = 1,198,745.63/x
  3. Step 3: Cross multiply
    784,138.59x = 1,198,745.63 × 1,198,745.63
  4. Step 4: Simplify right side
    784,138.59x = 1,436,991,073,456.64
  5. Step 5: Solve for x
    x = 1,436,991,073,456.64/784,138.59
  6. Step 6: Final answer
    x = 1,832,572.82

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.