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Finding the Third Proportional to 131,568.75 and 276,891.75

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Solution

The third proportional to 131,568.75 and 276,891.75 is: 582,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,568.75 : 276,891.75 = 276,891.75 : x
  2. Step 2: Convert to fraction form
    131,568.75/276,891.75 = 276,891.75/x
  3. Step 3: Cross multiply
    131,568.75x = 276,891.75 × 276,891.75
  4. Step 4: Simplify right side
    131,568.75x = 76,669,041,218.06
  5. Step 5: Solve for x
    x = 76,669,041,218.06/131,568.75
  6. Step 6: Final answer
    x = 582,729.87

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.