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Finding the Third Proportional to 26.18 and 61.07

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Solution

The third proportional to 26.18 and 61.07 is: 142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.18 : 61.07 = 61.07 : x
  2. Step 2: Convert to fraction form
    26.18/61.07 = 61.07/x
  3. Step 3: Cross multiply
    26.18x = 61.07 × 61.07
  4. Step 4: Simplify right side
    26.18x = 3,729.11
  5. Step 5: Solve for x
    x = 3,729.11/26.18
  6. Step 6: Final answer
    x = 142.43

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.