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Finding the Third Proportional to 3,484.69 and 4,936.78

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Solution

The third proportional to 3,484.69 and 4,936.78 is: 6,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.69 : 4,936.78 = 4,936.78 : x
  2. Step 2: Convert to fraction form
    3,484.69/4,936.78 = 4,936.78/x
  3. Step 3: Cross multiply
    3,484.69x = 4,936.78 × 4,936.78
  4. Step 4: Simplify right side
    3,484.69x = 24,371,809.11
  5. Step 5: Solve for x
    x = 24,371,809.11/3,484.69
  6. Step 6: Final answer
    x = 6,993.97

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.