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Finding the Third Proportional to 23.81 and 51.75

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Solution

The third proportional to 23.81 and 51.75 is: 112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.81 : 51.75 = 51.75 : x
  2. Step 2: Convert to fraction form
    23.81/51.75 = 51.75/x
  3. Step 3: Cross multiply
    23.81x = 51.75 × 51.75
  4. Step 4: Simplify right side
    23.81x = 2,678.06
  5. Step 5: Solve for x
    x = 2,678.06/23.81
  6. Step 6: Final answer
    x = 112.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.