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Finding the Third Proportional to 381,570 and 753,536

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Solution

The third proportional to 381,570 and 753,536 is: 1,488,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,570 : 753,536 = 753,536 : x
  2. Step 2: Convert to fraction form
    381,570/753,536 = 753,536/x
  3. Step 3: Cross multiply
    381,570x = 753,536 × 753,536
  4. Step 4: Simplify right side
    381,570x = 567,816,503,296
  5. Step 5: Solve for x
    x = 567,816,503,296/381,570
  6. Step 6: Final answer
    x = 1,488,105.73

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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.