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Finding the Third Proportional to 43 and 116.75

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Solution

The third proportional to 43 and 116.75 is: 316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43 : 116.75 = 116.75 : x
  2. Step 2: Convert to fraction form
    43/116.75 = 116.75/x
  3. Step 3: Cross multiply
    43x = 116.75 × 116.75
  4. Step 4: Simplify right side
    43x = 13,630.56
  5. Step 5: Solve for x
    x = 13,630.56/43
  6. Step 6: Final answer
    x = 316.99

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.