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Finding the Third Proportional to 83.06 and 122.06

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Solution

The third proportional to 83.06 and 122.06 is: 179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.06 : 122.06 = 122.06 : x
  2. Step 2: Convert to fraction form
    83.06/122.06 = 122.06/x
  3. Step 3: Cross multiply
    83.06x = 122.06 × 122.06
  4. Step 4: Simplify right side
    83.06x = 14,899.25
  5. Step 5: Solve for x
    x = 14,899.25/83.06
  6. Step 6: Final answer
    x = 179.37

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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.