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Finding the Third Proportional to 242.44 and 352.27

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Solution

The third proportional to 242.44 and 352.27 is: 511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.44 : 352.27 = 352.27 : x
  2. Step 2: Convert to fraction form
    242.44/352.27 = 352.27/x
  3. Step 3: Cross multiply
    242.44x = 352.27 × 352.27
  4. Step 4: Simplify right side
    242.44x = 124,091.07
  5. Step 5: Solve for x
    x = 124,091.07/242.44
  6. Step 6: Final answer
    x = 511.85

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.