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Finding the Third Proportional to 276,768 and 451,944

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Solution

The third proportional to 276,768 and 451,944 is: 737,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,768 : 451,944 = 451,944 : x
  2. Step 2: Convert to fraction form
    276,768/451,944 = 451,944/x
  3. Step 3: Cross multiply
    276,768x = 451,944 × 451,944
  4. Step 4: Simplify right side
    276,768x = 204,253,379,136
  5. Step 5: Solve for x
    x = 204,253,379,136/276,768
  6. Step 6: Final answer
    x = 737,994.92

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.