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Finding the Third Proportional to 7,819 and 16,662

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Solution

The third proportional to 7,819 and 16,662 is: 35,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819 : 16,662 = 16,662 : x
  2. Step 2: Convert to fraction form
    7,819/16,662 = 16,662/x
  3. Step 3: Cross multiply
    7,819x = 16,662 × 16,662
  4. Step 4: Simplify right side
    7,819x = 277,622,244
  5. Step 5: Solve for x
    x = 277,622,244/7,819
  6. Step 6: Final answer
    x = 35,506.11

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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.