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Finding the Third Proportional to 107.44 and 156.38

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Solution

The third proportional to 107.44 and 156.38 is: 227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.44 : 156.38 = 156.38 : x
  2. Step 2: Convert to fraction form
    107.44/156.38 = 156.38/x
  3. Step 3: Cross multiply
    107.44x = 156.38 × 156.38
  4. Step 4: Simplify right side
    107.44x = 24,453.14
  5. Step 5: Solve for x
    x = 24,453.14/107.44
  6. Step 6: Final answer
    x = 227.60

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.