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Finding the Third Proportional to 204.63 and 445.25

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Solution

The third proportional to 204.63 and 445.25 is: 968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.63 : 445.25 = 445.25 : x
  2. Step 2: Convert to fraction form
    204.63/445.25 = 445.25/x
  3. Step 3: Cross multiply
    204.63x = 445.25 × 445.25
  4. Step 4: Simplify right side
    204.63x = 198,247.56
  5. Step 5: Solve for x
    x = 198,247.56/204.63
  6. Step 6: Final answer
    x = 968.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.