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Finding the Third Proportional to 447,372 and 979,794

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Solution

The third proportional to 447,372 and 979,794 is: 2,145,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,372 : 979,794 = 979,794 : x
  2. Step 2: Convert to fraction form
    447,372/979,794 = 979,794/x
  3. Step 3: Cross multiply
    447,372x = 979,794 × 979,794
  4. Step 4: Simplify right side
    447,372x = 959,996,282,436
  5. Step 5: Solve for x
    x = 959,996,282,436/447,372
  6. Step 6: Final answer
    x = 2,145,856.88

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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.