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Finding the Third Proportional to 230.66 and 495.49

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Solution

The third proportional to 230.66 and 495.49 is: 1,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.66 : 495.49 = 495.49 : x
  2. Step 2: Convert to fraction form
    230.66/495.49 = 495.49/x
  3. Step 3: Cross multiply
    230.66x = 495.49 × 495.49
  4. Step 4: Simplify right side
    230.66x = 245,512.51
  5. Step 5: Solve for x
    x = 245,512.51/230.66
  6. Step 6: Final answer
    x = 1,064.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.