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Finding the Third Proportional to 239,236 and 512,804

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Solution

The third proportional to 239,236 and 512,804 is: 1,099,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,236 : 512,804 = 512,804 : x
  2. Step 2: Convert to fraction form
    239,236/512,804 = 512,804/x
  3. Step 3: Cross multiply
    239,236x = 512,804 × 512,804
  4. Step 4: Simplify right side
    239,236x = 262,967,942,416
  5. Step 5: Solve for x
    x = 262,967,942,416/239,236
  6. Step 6: Final answer
    x = 1,099,198.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.