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Finding the Third Proportional to 26.26 and 40.92

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Solution

The third proportional to 26.26 and 40.92 is: 63.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.26 : 40.92 = 40.92 : x
  2. Step 2: Convert to fraction form
    26.26/40.92 = 40.92/x
  3. Step 3: Cross multiply
    26.26x = 40.92 × 40.92
  4. Step 4: Simplify right side
    26.26x = 1,674.60
  5. Step 5: Solve for x
    x = 1,674.60/26.26
  6. Step 6: Final answer
    x = 63.77

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.