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Finding the Third Proportional to 80 and 95.50

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Solution

The third proportional to 80 and 95.50 is: 114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80 : 95.50 = 95.50 : x
  2. Step 2: Convert to fraction form
    80/95.50 = 95.50/x
  3. Step 3: Cross multiply
    80x = 95.50 × 95.50
  4. Step 4: Simplify right side
    80x = 9,120.25
  5. Step 5: Solve for x
    x = 9,120.25/80
  6. Step 6: Final answer
    x = 114.00

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.