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Finding the Third Proportional to 381,844.13 and 754,052.63

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Solution

The third proportional to 381,844.13 and 754,052.63 is: 1,489,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,844.13 : 754,052.63 = 754,052.63 : x
  2. Step 2: Convert to fraction form
    381,844.13/754,052.63 = 754,052.63/x
  3. Step 3: Cross multiply
    381,844.13x = 754,052.63 × 754,052.63
  4. Step 4: Simplify right side
    381,844.13x = 568,595,361,269.39
  5. Step 5: Solve for x
    x = 568,595,361,269.39/381,844.13
  6. Step 6: Final answer
    x = 1,489,077.15

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.