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Finding the Third Proportional to 23.63 and 51.38

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Solution

The third proportional to 23.63 and 51.38 is: 111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.63 : 51.38 = 51.38 : x
  2. Step 2: Convert to fraction form
    23.63/51.38 = 51.38/x
  3. Step 3: Cross multiply
    23.63x = 51.38 × 51.38
  4. Step 4: Simplify right side
    23.63x = 2,639.39
  5. Step 5: Solve for x
    x = 2,639.39/23.63
  6. Step 6: Final answer
    x = 111.72

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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.