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Finding the Third Proportional to 116.13 and 169.75

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Solution

The third proportional to 116.13 and 169.75 is: 248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.13 : 169.75 = 169.75 : x
  2. Step 2: Convert to fraction form
    116.13/169.75 = 169.75/x
  3. Step 3: Cross multiply
    116.13x = 169.75 × 169.75
  4. Step 4: Simplify right side
    116.13x = 28,815.06
  5. Step 5: Solve for x
    x = 28,815.06/116.13
  6. Step 6: Final answer
    x = 248.14

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.