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Finding the Third Proportional to 3,789 and 8,252

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Solution

The third proportional to 3,789 and 8,252 is: 17,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789 : 8,252 = 8,252 : x
  2. Step 2: Convert to fraction form
    3,789/8,252 = 8,252/x
  3. Step 3: Cross multiply
    3,789x = 8,252 × 8,252
  4. Step 4: Simplify right side
    3,789x = 68,095,504
  5. Step 5: Solve for x
    x = 68,095,504/3,789
  6. Step 6: Final answer
    x = 17,971.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.