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Finding the Third Proportional to 231 and 484.25

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Solution

The third proportional to 231 and 484.25 is: 1,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231 : 484.25 = 484.25 : x
  2. Step 2: Convert to fraction form
    231/484.25 = 484.25/x
  3. Step 3: Cross multiply
    231x = 484.25 × 484.25
  4. Step 4: Simplify right side
    231x = 234,498.06
  5. Step 5: Solve for x
    x = 234,498.06/231
  6. Step 6: Final answer
    x = 1,015.14

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.