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Finding the Third Proportional to 92.75 and 98.75

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Solution

The third proportional to 92.75 and 98.75 is: 105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.75 : 98.75 = 98.75 : x
  2. Step 2: Convert to fraction form
    92.75/98.75 = 98.75/x
  3. Step 3: Cross multiply
    92.75x = 98.75 × 98.75
  4. Step 4: Simplify right side
    92.75x = 9,751.56
  5. Step 5: Solve for x
    x = 9,751.56/92.75
  6. Step 6: Final answer
    x = 105.14

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Why These Related Problems?

These problems maintain the same ratio (1.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.