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Finding the Third Proportional to 396,798 and 567,198

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Solution

The third proportional to 396,798 and 567,198 is: 810,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,798 : 567,198 = 567,198 : x
  2. Step 2: Convert to fraction form
    396,798/567,198 = 567,198/x
  3. Step 3: Cross multiply
    396,798x = 567,198 × 567,198
  4. Step 4: Simplify right side
    396,798x = 321,713,571,204
  5. Step 5: Solve for x
    x = 321,713,571,204/396,798
  6. Step 6: Final answer
    x = 810,774.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.