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Finding the Third Proportional to 26 and 51.63

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Solution

The third proportional to 26 and 51.63 is: 102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26 : 51.63 = 51.63 : x
  2. Step 2: Convert to fraction form
    26/51.63 = 51.63/x
  3. Step 3: Cross multiply
    26x = 51.63 × 51.63
  4. Step 4: Simplify right side
    26x = 2,665.14
  5. Step 5: Solve for x
    x = 2,665.14/26
  6. Step 6: Final answer
    x = 102.51

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Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.