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Finding the Third Proportional to 204,086 and 306,908

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Solution

The third proportional to 204,086 and 306,908 is: 461,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,086 : 306,908 = 306,908 : x
  2. Step 2: Convert to fraction form
    204,086/306,908 = 306,908/x
  3. Step 3: Cross multiply
    204,086x = 306,908 × 306,908
  4. Step 4: Simplify right side
    204,086x = 94,192,520,464
  5. Step 5: Solve for x
    x = 94,192,520,464/204,086
  6. Step 6: Final answer
    x = 461,533.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.