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Finding the Third Proportional to 87,486.75 and 131,204.81

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Solution

The third proportional to 87,486.75 and 131,204.81 is: 196,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,486.75 : 131,204.81 = 131,204.81 : x
  2. Step 2: Convert to fraction form
    87,486.75/131,204.81 = 131,204.81/x
  3. Step 3: Cross multiply
    87,486.75x = 131,204.81 × 131,204.81
  4. Step 4: Simplify right side
    87,486.75x = 17,214,702,823.16
  5. Step 5: Solve for x
    x = 17,214,702,823.16/87,486.75
  6. Step 6: Final answer
    x = 196,769.26

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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.