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Finding the Third Proportional to 205,908 and 451,182

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Solution

The third proportional to 205,908 and 451,182 is: 988,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,908 : 451,182 = 451,182 : x
  2. Step 2: Convert to fraction form
    205,908/451,182 = 451,182/x
  3. Step 3: Cross multiply
    205,908x = 451,182 × 451,182
  4. Step 4: Simplify right side
    205,908x = 203,565,197,124
  5. Step 5: Solve for x
    x = 203,565,197,124/205,908
  6. Step 6: Final answer
    x = 988,622.09

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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.