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Finding the Third Proportional to 60,069 and 80,217

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Solution

The third proportional to 60,069 and 80,217 is: 107,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,069 : 80,217 = 80,217 : x
  2. Step 2: Convert to fraction form
    60,069/80,217 = 80,217/x
  3. Step 3: Cross multiply
    60,069x = 80,217 × 80,217
  4. Step 4: Simplify right side
    60,069x = 6,434,767,089
  5. Step 5: Solve for x
    x = 6,434,767,089/60,069
  6. Step 6: Final answer
    x = 107,122.93

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.