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Finding the Third Proportional to 265.75 and 576.25

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Solution

The third proportional to 265.75 and 576.25 is: 1,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.75 : 576.25 = 576.25 : x
  2. Step 2: Convert to fraction form
    265.75/576.25 = 576.25/x
  3. Step 3: Cross multiply
    265.75x = 576.25 × 576.25
  4. Step 4: Simplify right side
    265.75x = 332,064.06
  5. Step 5: Solve for x
    x = 332,064.06/265.75
  6. Step 6: Final answer
    x = 1,249.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.