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Finding the Third Proportional to 4.03 and 6.19

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Solution

The third proportional to 4.03 and 6.19 is: 9.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.03 : 6.19 = 6.19 : x
  2. Step 2: Convert to fraction form
    4.03/6.19 = 6.19/x
  3. Step 3: Cross multiply
    4.03x = 6.19 × 6.19
  4. Step 4: Simplify right side
    4.03x = 38.29
  5. Step 5: Solve for x
    x = 38.29/4.03
  6. Step 6: Final answer
    x = 9.50

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.