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Finding the Third Proportional to 262.25 and 576.25

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Solution

The third proportional to 262.25 and 576.25 is: 1,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.25 : 576.25 = 576.25 : x
  2. Step 2: Convert to fraction form
    262.25/576.25 = 576.25/x
  3. Step 3: Cross multiply
    262.25x = 576.25 × 576.25
  4. Step 4: Simplify right side
    262.25x = 332,064.06
  5. Step 5: Solve for x
    x = 332,064.06/262.25
  6. Step 6: Final answer
    x = 1,266.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.