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Finding the Third Proportional to 116 and 158

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Solution

The third proportional to 116 and 158 is: 215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116 : 158 = 158 : x
  2. Step 2: Convert to fraction form
    116/158 = 158/x
  3. Step 3: Cross multiply
    116x = 158 × 158
  4. Step 4: Simplify right side
    116x = 24,964
  5. Step 5: Solve for x
    x = 24,964/116
  6. Step 6: Final answer
    x = 215.21

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.