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Finding the Third Proportional to 53.56 and 115.56

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Solution

The third proportional to 53.56 and 115.56 is: 249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.56 : 115.56 = 115.56 : x
  2. Step 2: Convert to fraction form
    53.56/115.56 = 115.56/x
  3. Step 3: Cross multiply
    53.56x = 115.56 × 115.56
  4. Step 4: Simplify right side
    53.56x = 13,354.69
  5. Step 5: Solve for x
    x = 13,354.69/53.56
  6. Step 6: Final answer
    x = 249.33

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.