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Finding the Third Proportional to 87,474.94 and 131,189.63

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Solution

The third proportional to 87,474.94 and 131,189.63 is: 196,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474.94 : 131,189.63 = 131,189.63 : x
  2. Step 2: Convert to fraction form
    87,474.94/131,189.63 = 131,189.63/x
  3. Step 3: Cross multiply
    87,474.94x = 131,189.63 × 131,189.63
  4. Step 4: Simplify right side
    87,474.94x = 17,210,717,707.64
  5. Step 5: Solve for x
    x = 17,210,717,707.64/87,474.94
  6. Step 6: Final answer
    x = 196,750.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.