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Finding the Third Proportional to 144.38 and 230.94

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Solution

The third proportional to 144.38 and 230.94 is: 369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.38 : 230.94 = 230.94 : x
  2. Step 2: Convert to fraction form
    144.38/230.94 = 230.94/x
  3. Step 3: Cross multiply
    144.38x = 230.94 × 230.94
  4. Step 4: Simplify right side
    144.38x = 53,332.13
  5. Step 5: Solve for x
    x = 53,332.13/144.38
  6. Step 6: Final answer
    x = 369.40

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.