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Finding the Third Proportional to 200 and 484.25

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Solution

The third proportional to 200 and 484.25 is: 1,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200 : 484.25 = 484.25 : x
  2. Step 2: Convert to fraction form
    200/484.25 = 484.25/x
  3. Step 3: Cross multiply
    200x = 484.25 × 484.25
  4. Step 4: Simplify right side
    200x = 234,498.06
  5. Step 5: Solve for x
    x = 234,498.06/200
  6. Step 6: Final answer
    x = 1,172.49

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.