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Finding the Third Proportional to 87,845.63 and 192,620.25

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Solution

The third proportional to 87,845.63 and 192,620.25 is: 422,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.63 : 192,620.25 = 192,620.25 : x
  2. Step 2: Convert to fraction form
    87,845.63/192,620.25 = 192,620.25/x
  3. Step 3: Cross multiply
    87,845.63x = 192,620.25 × 192,620.25
  4. Step 4: Simplify right side
    87,845.63x = 37,102,560,710.06
  5. Step 5: Solve for x
    x = 37,102,560,710.06/87,845.63
  6. Step 6: Final answer
    x = 422,360.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.