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Finding the Third Proportional to 131,157.75 and 196,738.50

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Solution

The third proportional to 131,157.75 and 196,738.50 is: 295,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,157.75 : 196,738.50 = 196,738.50 : x
  2. Step 2: Convert to fraction form
    131,157.75/196,738.50 = 196,738.50/x
  3. Step 3: Cross multiply
    131,157.75x = 196,738.50 × 196,738.50
  4. Step 4: Simplify right side
    131,157.75x = 38,706,037,382.25
  5. Step 5: Solve for x
    x = 38,706,037,382.25/131,157.75
  6. Step 6: Final answer
    x = 295,110.56

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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.