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Finding the Third Proportional to 70 and 96

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Solution

The third proportional to 70 and 96 is: 131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70 : 96 = 96 : x
  2. Step 2: Convert to fraction form
    70/96 = 96/x
  3. Step 3: Cross multiply
    70x = 96 × 96
  4. Step 4: Simplify right side
    70x = 9,216
  5. Step 5: Solve for x
    x = 9,216/70
  6. Step 6: Final answer
    x = 131.66

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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.