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Finding the Third Proportional to 396,944 and 936,272

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Solution

The third proportional to 396,944 and 936,272 is: 2,208,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,944 : 936,272 = 936,272 : x
  2. Step 2: Convert to fraction form
    396,944/936,272 = 936,272/x
  3. Step 3: Cross multiply
    396,944x = 936,272 × 936,272
  4. Step 4: Simplify right side
    396,944x = 876,605,257,984
  5. Step 5: Solve for x
    x = 876,605,257,984/396,944
  6. Step 6: Final answer
    x = 2,208,385.21

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.