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Finding the Third Proportional to 276,298 and 412,741

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Solution

The third proportional to 276,298 and 412,741 is: 616,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,298 : 412,741 = 412,741 : x
  2. Step 2: Convert to fraction form
    276,298/412,741 = 412,741/x
  3. Step 3: Cross multiply
    276,298x = 412,741 × 412,741
  4. Step 4: Simplify right side
    276,298x = 170,355,133,081
  5. Step 5: Solve for x
    x = 170,355,133,081/276,298
  6. Step 6: Final answer
    x = 616,563.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.