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Finding the Third Proportional to 262.38 and 548.94

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Solution

The third proportional to 262.38 and 548.94 is: 1,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.38 : 548.94 = 548.94 : x
  2. Step 2: Convert to fraction form
    262.38/548.94 = 548.94/x
  3. Step 3: Cross multiply
    262.38x = 548.94 × 548.94
  4. Step 4: Simplify right side
    262.38x = 301,332.38
  5. Step 5: Solve for x
    x = 301,332.38/262.38
  6. Step 6: Final answer
    x = 1,148.48

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.