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Finding the Third Proportional to 97.03 and 145.55

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Solution

The third proportional to 97.03 and 145.55 is: 218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.03 : 145.55 = 145.55 : x
  2. Step 2: Convert to fraction form
    97.03/145.55 = 145.55/x
  3. Step 3: Cross multiply
    97.03x = 145.55 × 145.55
  4. Step 4: Simplify right side
    97.03x = 21,183.89
  5. Step 5: Solve for x
    x = 21,183.89/97.03
  6. Step 6: Final answer
    x = 218.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.