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Finding the Third Proportional to 7,736 and 16,866

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Solution

The third proportional to 7,736 and 16,866 is: 36,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736 : 16,866 = 16,866 : x
  2. Step 2: Convert to fraction form
    7,736/16,866 = 16,866/x
  3. Step 3: Cross multiply
    7,736x = 16,866 × 16,866
  4. Step 4: Simplify right side
    7,736x = 284,461,956
  5. Step 5: Solve for x
    x = 284,461,956/7,736
  6. Step 6: Final answer
    x = 36,771.19

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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.