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Finding the Third Proportional to 325,867 and 681,525

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Solution

The third proportional to 325,867 and 681,525 is: 1,425,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,867 : 681,525 = 681,525 : x
  2. Step 2: Convert to fraction form
    325,867/681,525 = 681,525/x
  3. Step 3: Cross multiply
    325,867x = 681,525 × 681,525
  4. Step 4: Simplify right side
    325,867x = 464,476,325,625
  5. Step 5: Solve for x
    x = 464,476,325,625/325,867
  6. Step 6: Final answer
    x = 1,425,355.52

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.