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Finding the Third Proportional to 97.03 and 213.47

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Solution

The third proportional to 97.03 and 213.47 is: 469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.03 : 213.47 = 213.47 : x
  2. Step 2: Convert to fraction form
    97.03/213.47 = 213.47/x
  3. Step 3: Cross multiply
    97.03x = 213.47 × 213.47
  4. Step 4: Simplify right side
    97.03x = 45,568.91
  5. Step 5: Solve for x
    x = 45,568.91/97.03
  6. Step 6: Final answer
    x = 469.63

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.