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Finding the Third Proportional to 87,757.50 and 171,140.25

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Solution

The third proportional to 87,757.50 and 171,140.25 is: 333,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,757.50 : 171,140.25 = 171,140.25 : x
  2. Step 2: Convert to fraction form
    87,757.50/171,140.25 = 171,140.25/x
  3. Step 3: Cross multiply
    87,757.50x = 171,140.25 × 171,140.25
  4. Step 4: Simplify right side
    87,757.50x = 29,288,985,170.06
  5. Step 5: Solve for x
    x = 29,288,985,170.06/87,757.50
  6. Step 6: Final answer
    x = 333,749.08

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.