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Finding the Third Proportional to 87,738.19 and 125,469.56

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Solution

The third proportional to 87,738.19 and 125,469.56 is: 179,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,738.19 : 125,469.56 = 125,469.56 : x
  2. Step 2: Convert to fraction form
    87,738.19/125,469.56 = 125,469.56/x
  3. Step 3: Cross multiply
    87,738.19x = 125,469.56 × 125,469.56
  4. Step 4: Simplify right side
    87,738.19x = 15,742,611,113.94
  5. Step 5: Solve for x
    x = 15,742,611,113.94/87,738.19
  6. Step 6: Final answer
    x = 179,427.13

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.