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Finding the Third Proportional to 29.44 and 68.75

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Solution

The third proportional to 29.44 and 68.75 is: 160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.44 : 68.75 = 68.75 : x
  2. Step 2: Convert to fraction form
    29.44/68.75 = 68.75/x
  3. Step 3: Cross multiply
    29.44x = 68.75 × 68.75
  4. Step 4: Simplify right side
    29.44x = 4,726.56
  5. Step 5: Solve for x
    x = 4,726.56/29.44
  6. Step 6: Final answer
    x = 160.56

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.