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Finding the Third Proportional to 33.01 and 69.29

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Solution

The third proportional to 33.01 and 69.29 is: 145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 69.29 = 69.29 : x
  2. Step 2: Convert to fraction form
    33.01/69.29 = 69.29/x
  3. Step 3: Cross multiply
    33.01x = 69.29 × 69.29
  4. Step 4: Simplify right side
    33.01x = 4,801.52
  5. Step 5: Solve for x
    x = 4,801.52/33.01
  6. Step 6: Final answer
    x = 145.45

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.