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Finding the Third Proportional to 113.91 and 167.06

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Solution

The third proportional to 113.91 and 167.06 is: 245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.91 : 167.06 = 167.06 : x
  2. Step 2: Convert to fraction form
    113.91/167.06 = 167.06/x
  3. Step 3: Cross multiply
    113.91x = 167.06 × 167.06
  4. Step 4: Simplify right side
    113.91x = 27,909.88
  5. Step 5: Solve for x
    x = 27,909.88/113.91
  6. Step 6: Final answer
    x = 245.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.