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Finding the Third Proportional to 376,720 and 826,600

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Solution

The third proportional to 376,720 and 826,600 is: 1,813,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,720 : 826,600 = 826,600 : x
  2. Step 2: Convert to fraction form
    376,720/826,600 = 826,600/x
  3. Step 3: Cross multiply
    376,720x = 826,600 × 826,600
  4. Step 4: Simplify right side
    376,720x = 683,267,560,000
  5. Step 5: Solve for x
    x = 683,267,560,000/376,720
  6. Step 6: Final answer
    x = 1,813,727.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.