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Finding the Third Proportional to 84.50 and 116

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Solution

The third proportional to 84.50 and 116 is: 159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84.50 : 116 = 116 : x
  2. Step 2: Convert to fraction form
    84.50/116 = 116/x
  3. Step 3: Cross multiply
    84.50x = 116 × 116
  4. Step 4: Simplify right side
    84.50x = 13,456
  5. Step 5: Solve for x
    x = 13,456/84.50
  6. Step 6: Final answer
    x = 159.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.