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Finding the Third Proportional to 272.06 and 302.06

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Solution

The third proportional to 272.06 and 302.06 is: 335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.06 : 302.06 = 302.06 : x
  2. Step 2: Convert to fraction form
    272.06/302.06 = 302.06/x
  3. Step 3: Cross multiply
    272.06x = 302.06 × 302.06
  4. Step 4: Simplify right side
    272.06x = 91,241.75
  5. Step 5: Solve for x
    x = 91,241.75/272.06
  6. Step 6: Final answer
    x = 335.37

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.