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Finding the Third Proportional to 98,692 and 217,067

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Solution

The third proportional to 98,692 and 217,067 is: 477,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,692 : 217,067 = 217,067 : x
  2. Step 2: Convert to fraction form
    98,692/217,067 = 217,067/x
  3. Step 3: Cross multiply
    98,692x = 217,067 × 217,067
  4. Step 4: Simplify right side
    98,692x = 47,118,082,489
  5. Step 5: Solve for x
    x = 47,118,082,489/98,692
  6. Step 6: Final answer
    x = 477,425.55

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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.