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Finding the Third Proportional to 87,828.75 and 131,503.50

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Solution

The third proportional to 87,828.75 and 131,503.50 is: 196,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,828.75 : 131,503.50 = 131,503.50 : x
  2. Step 2: Convert to fraction form
    87,828.75/131,503.50 = 131,503.50/x
  3. Step 3: Cross multiply
    87,828.75x = 131,503.50 × 131,503.50
  4. Step 4: Simplify right side
    87,828.75x = 17,293,170,512.25
  5. Step 5: Solve for x
    x = 17,293,170,512.25/87,828.75
  6. Step 6: Final answer
    x = 196,896.47

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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.