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Finding the Third Proportional to 266.41 and 582.19

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Solution

The third proportional to 266.41 and 582.19 is: 1,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.41 : 582.19 = 582.19 : x
  2. Step 2: Convert to fraction form
    266.41/582.19 = 582.19/x
  3. Step 3: Cross multiply
    266.41x = 582.19 × 582.19
  4. Step 4: Simplify right side
    266.41x = 338,942.29
  5. Step 5: Solve for x
    x = 338,942.29/266.41
  6. Step 6: Final answer
    x = 1,272.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.