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Finding the Third Proportional to 116 and 190

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Solution

The third proportional to 116 and 190 is: 311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116 : 190 = 190 : x
  2. Step 2: Convert to fraction form
    116/190 = 190/x
  3. Step 3: Cross multiply
    116x = 190 × 190
  4. Step 4: Simplify right side
    116x = 36,100
  5. Step 5: Solve for x
    x = 36,100/116
  6. Step 6: Final answer
    x = 311.21

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.