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Finding the Third Proportional to 53.88 and 97.75

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Solution

The third proportional to 53.88 and 97.75 is: 177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.88 : 97.75 = 97.75 : x
  2. Step 2: Convert to fraction form
    53.88/97.75 = 97.75/x
  3. Step 3: Cross multiply
    53.88x = 97.75 × 97.75
  4. Step 4: Simplify right side
    53.88x = 9,555.06
  5. Step 5: Solve for x
    x = 9,555.06/53.88
  6. Step 6: Final answer
    x = 177.36

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.