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Finding the Third Proportional to 3,776.91 and 8,282.81

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Solution

The third proportional to 3,776.91 and 8,282.81 is: 18,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.91 : 8,282.81 = 8,282.81 : x
  2. Step 2: Convert to fraction form
    3,776.91/8,282.81 = 8,282.81/x
  3. Step 3: Cross multiply
    3,776.91x = 8,282.81 × 8,282.81
  4. Step 4: Simplify right side
    3,776.91x = 68,604,982.91
  5. Step 5: Solve for x
    x = 68,604,982.91/3,776.91
  6. Step 6: Final answer
    x = 18,164.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.