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Finding the Third Proportional to 276,928 and 605,110

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Solution

The third proportional to 276,928 and 605,110 is: 1,322,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,928 : 605,110 = 605,110 : x
  2. Step 2: Convert to fraction form
    276,928/605,110 = 605,110/x
  3. Step 3: Cross multiply
    276,928x = 605,110 × 605,110
  4. Step 4: Simplify right side
    276,928x = 366,158,112,100
  5. Step 5: Solve for x
    x = 366,158,112,100/276,928
  6. Step 6: Final answer
    x = 1,322,214.12

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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.