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Finding the Third Proportional to 380,795 and 836,331

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Solution

The third proportional to 380,795 and 836,331 is: 1,836,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,795 : 836,331 = 836,331 : x
  2. Step 2: Convert to fraction form
    380,795/836,331 = 836,331/x
  3. Step 3: Cross multiply
    380,795x = 836,331 × 836,331
  4. Step 4: Simplify right side
    380,795x = 699,449,541,561
  5. Step 5: Solve for x
    x = 699,449,541,561/380,795
  6. Step 6: Final answer
    x = 1,836,813.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.