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Finding the Third Proportional to 4.19 and 4.94

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Solution

The third proportional to 4.19 and 4.94 is: 5.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.19 : 4.94 = 4.94 : x
  2. Step 2: Convert to fraction form
    4.19/4.94 = 4.94/x
  3. Step 3: Cross multiply
    4.19x = 4.94 × 4.94
  4. Step 4: Simplify right side
    4.19x = 24.39
  5. Step 5: Solve for x
    x = 24.39/4.19
  6. Step 6: Final answer
    x = 5.81

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.