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Finding the Third Proportional to 276,912.56 and 605,077.88

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Solution

The third proportional to 276,912.56 and 605,077.88 is: 1,322,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,912.56 : 605,077.88 = 605,077.88 : x
  2. Step 2: Convert to fraction form
    276,912.56/605,077.88 = 605,077.88/x
  3. Step 3: Cross multiply
    276,912.56x = 605,077.88 × 605,077.88
  4. Step 4: Simplify right side
    276,912.56x = 366,119,234,814.52
  5. Step 5: Solve for x
    x = 366,119,234,814.52/276,912.56
  6. Step 6: Final answer
    x = 1,322,147.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.