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Finding the Third Proportional to 23.57 and 35.75

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Solution

The third proportional to 23.57 and 35.75 is: 54.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.57 : 35.75 = 35.75 : x
  2. Step 2: Convert to fraction form
    23.57/35.75 = 35.75/x
  3. Step 3: Cross multiply
    23.57x = 35.75 × 35.75
  4. Step 4: Simplify right side
    23.57x = 1,278.34
  5. Step 5: Solve for x
    x = 1,278.34/23.57
  6. Step 6: Final answer
    x = 54.23

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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.