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Finding the Third Proportional to 61.75 and 111

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Solution

The third proportional to 61.75 and 111 is: 199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.75 : 111 = 111 : x
  2. Step 2: Convert to fraction form
    61.75/111 = 111/x
  3. Step 3: Cross multiply
    61.75x = 111 × 111
  4. Step 4: Simplify right side
    61.75x = 12,321
  5. Step 5: Solve for x
    x = 12,321/61.75
  6. Step 6: Final answer
    x = 199.53

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These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.