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Finding the Third Proportional to 208.97 and 452.25

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Solution

The third proportional to 208.97 and 452.25 is: 978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208.97 : 452.25 = 452.25 : x
  2. Step 2: Convert to fraction form
    208.97/452.25 = 452.25/x
  3. Step 3: Cross multiply
    208.97x = 452.25 × 452.25
  4. Step 4: Simplify right side
    208.97x = 204,530.06
  5. Step 5: Solve for x
    x = 204,530.06/208.97
  6. Step 6: Final answer
    x = 978.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.