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Finding the Third Proportional to 92.75 and 136.50

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Solution

The third proportional to 92.75 and 136.50 is: 200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.75 : 136.50 = 136.50 : x
  2. Step 2: Convert to fraction form
    92.75/136.50 = 136.50/x
  3. Step 3: Cross multiply
    92.75x = 136.50 × 136.50
  4. Step 4: Simplify right side
    92.75x = 18,632.25
  5. Step 5: Solve for x
    x = 18,632.25/92.75
  6. Step 6: Final answer
    x = 200.89

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.