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Finding the Third Proportional to 26.28 and 56.13

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Solution

The third proportional to 26.28 and 56.13 is: 119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.28 : 56.13 = 56.13 : x
  2. Step 2: Convert to fraction form
    26.28/56.13 = 56.13/x
  3. Step 3: Cross multiply
    26.28x = 56.13 × 56.13
  4. Step 4: Simplify right side
    26.28x = 3,150.02
  5. Step 5: Solve for x
    x = 3,150.02/26.28
  6. Step 6: Final answer
    x = 119.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.