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Finding the Third Proportional to 63,912.75 and 100,041

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Solution

The third proportional to 63,912.75 and 100,041 is: 156,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,912.75 : 100,041 = 100,041 : x
  2. Step 2: Convert to fraction form
    63,912.75/100,041 = 100,041/x
  3. Step 3: Cross multiply
    63,912.75x = 100,041 × 100,041
  4. Step 4: Simplify right side
    63,912.75x = 10,008,201,681
  5. Step 5: Solve for x
    x = 10,008,201,681/63,912.75
  6. Step 6: Final answer
    x = 156,591.63

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.