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Finding the Third Proportional to 263,918 and 622,384

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Solution

The third proportional to 263,918 and 622,384 is: 1,467,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,918 : 622,384 = 622,384 : x
  2. Step 2: Convert to fraction form
    263,918/622,384 = 622,384/x
  3. Step 3: Cross multiply
    263,918x = 622,384 × 622,384
  4. Step 4: Simplify right side
    263,918x = 387,361,843,456
  5. Step 5: Solve for x
    x = 387,361,843,456/263,918
  6. Step 6: Final answer
    x = 1,467,735.60

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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.