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Finding the Third Proportional to 38.39 and 61.03

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Solution

The third proportional to 38.39 and 61.03 is: 97.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.39 : 61.03 = 61.03 : x
  2. Step 2: Convert to fraction form
    38.39/61.03 = 61.03/x
  3. Step 3: Cross multiply
    38.39x = 61.03 × 61.03
  4. Step 4: Simplify right side
    38.39x = 3,724.81
  5. Step 5: Solve for x
    x = 3,724.81/38.39
  6. Step 6: Final answer
    x = 97.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.