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Finding the Third Proportional to 23.43 and 51.19

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Solution

The third proportional to 23.43 and 51.19 is: 111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.43 : 51.19 = 51.19 : x
  2. Step 2: Convert to fraction form
    23.43/51.19 = 51.19/x
  3. Step 3: Cross multiply
    23.43x = 51.19 × 51.19
  4. Step 4: Simplify right side
    23.43x = 2,620.17
  5. Step 5: Solve for x
    x = 2,620.17/23.43
  6. Step 6: Final answer
    x = 111.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.