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Finding the Third Proportional to 493.25 and 1,081

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Solution

The third proportional to 493.25 and 1,081 is: 2,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.25 : 1,081 = 1,081 : x
  2. Step 2: Convert to fraction form
    493.25/1,081 = 1,081/x
  3. Step 3: Cross multiply
    493.25x = 1,081 × 1,081
  4. Step 4: Simplify right side
    493.25x = 1,168,561
  5. Step 5: Solve for x
    x = 1,168,561/493.25
  6. Step 6: Final answer
    x = 2,369.10

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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.