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Finding the Third Proportional to 66.94 and 101.44

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Solution

The third proportional to 66.94 and 101.44 is: 153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.94 : 101.44 = 101.44 : x
  2. Step 2: Convert to fraction form
    66.94/101.44 = 101.44/x
  3. Step 3: Cross multiply
    66.94x = 101.44 × 101.44
  4. Step 4: Simplify right side
    66.94x = 10,289.57
  5. Step 5: Solve for x
    x = 10,289.57/66.94
  6. Step 6: Final answer
    x = 153.72

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.