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Finding the Third Proportional to 204,996 and 450,351

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Solution

The third proportional to 204,996 and 450,351 is: 989,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,996 : 450,351 = 450,351 : x
  2. Step 2: Convert to fraction form
    204,996/450,351 = 450,351/x
  3. Step 3: Cross multiply
    204,996x = 450,351 × 450,351
  4. Step 4: Simplify right side
    204,996x = 202,816,023,201
  5. Step 5: Solve for x
    x = 202,816,023,201/204,996
  6. Step 6: Final answer
    x = 989,365.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.