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Finding the Third Proportional to 3,228 and 6,865

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Solution

The third proportional to 3,228 and 6,865 is: 14,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228 : 6,865 = 6,865 : x
  2. Step 2: Convert to fraction form
    3,228/6,865 = 6,865/x
  3. Step 3: Cross multiply
    3,228x = 6,865 × 6,865
  4. Step 4: Simplify right side
    3,228x = 47,128,225
  5. Step 5: Solve for x
    x = 47,128,225/3,228
  6. Step 6: Final answer
    x = 14,599.82

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.