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Finding the Third Proportional to 3,818.81 and 6,807.38

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Solution

The third proportional to 3,818.81 and 6,807.38 is: 12,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.81 : 6,807.38 = 6,807.38 : x
  2. Step 2: Convert to fraction form
    3,818.81/6,807.38 = 6,807.38/x
  3. Step 3: Cross multiply
    3,818.81x = 6,807.38 × 6,807.38
  4. Step 4: Simplify right side
    3,818.81x = 46,340,354.39
  5. Step 5: Solve for x
    x = 46,340,354.39/3,818.81
  6. Step 6: Final answer
    x = 12,134.76

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.