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Finding the Third Proportional to 26.16 and 53.16

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Solution

The third proportional to 26.16 and 53.16 is: 108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.16 : 53.16 = 53.16 : x
  2. Step 2: Convert to fraction form
    26.16/53.16 = 53.16/x
  3. Step 3: Cross multiply
    26.16x = 53.16 × 53.16
  4. Step 4: Simplify right side
    26.16x = 2,825.59
  5. Step 5: Solve for x
    x = 2,825.59/26.16
  6. Step 6: Final answer
    x = 108.03

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.