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Finding the Third Proportional to 87,590.63 and 192,137.25

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Solution

The third proportional to 87,590.63 and 192,137.25 is: 421,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,590.63 : 192,137.25 = 192,137.25 : x
  2. Step 2: Convert to fraction form
    87,590.63/192,137.25 = 192,137.25/x
  3. Step 3: Cross multiply
    87,590.63x = 192,137.25 × 192,137.25
  4. Step 4: Simplify right side
    87,590.63x = 36,916,722,837.56
  5. Step 5: Solve for x
    x = 36,916,722,837.56/87,590.63
  6. Step 6: Final answer
    x = 421,468.88

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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.