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Finding the Third Proportional to 6,948 and 16,815

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Solution

The third proportional to 6,948 and 16,815 is: 40,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948 : 16,815 = 16,815 : x
  2. Step 2: Convert to fraction form
    6,948/16,815 = 16,815/x
  3. Step 3: Cross multiply
    6,948x = 16,815 × 16,815
  4. Step 4: Simplify right side
    6,948x = 282,744,225
  5. Step 5: Solve for x
    x = 282,744,225/6,948
  6. Step 6: Final answer
    x = 40,694.33

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.