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Finding the Third Proportional to 87,697.50 and 192,891

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Solution

The third proportional to 87,697.50 and 192,891 is: 424,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,697.50 : 192,891 = 192,891 : x
  2. Step 2: Convert to fraction form
    87,697.50/192,891 = 192,891/x
  3. Step 3: Cross multiply
    87,697.50x = 192,891 × 192,891
  4. Step 4: Simplify right side
    87,697.50x = 37,206,937,881
  5. Step 5: Solve for x
    x = 37,206,937,881/87,697.50
  6. Step 6: Final answer
    x = 424,264.52

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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.