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Finding the Third Proportional to 229.25 and 494.38

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Solution

The third proportional to 229.25 and 494.38 is: 1,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.25 : 494.38 = 494.38 : x
  2. Step 2: Convert to fraction form
    229.25/494.38 = 494.38/x
  3. Step 3: Cross multiply
    229.25x = 494.38 × 494.38
  4. Step 4: Simplify right side
    229.25x = 244,406.64
  5. Step 5: Solve for x
    x = 244,406.64/229.25
  6. Step 6: Final answer
    x = 1,066.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.