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Finding the Third Proportional to 26.56 and 55.88

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Solution

The third proportional to 26.56 and 55.88 is: 117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.56 : 55.88 = 55.88 : x
  2. Step 2: Convert to fraction form
    26.56/55.88 = 55.88/x
  3. Step 3: Cross multiply
    26.56x = 55.88 × 55.88
  4. Step 4: Simplify right side
    26.56x = 3,122.02
  5. Step 5: Solve for x
    x = 3,122.02/26.56
  6. Step 6: Final answer
    x = 117.53

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.