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Finding the Third Proportional to 6,948 and 16,422

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Solution

The third proportional to 6,948 and 16,422 is: 38,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948 : 16,422 = 16,422 : x
  2. Step 2: Convert to fraction form
    6,948/16,422 = 16,422/x
  3. Step 3: Cross multiply
    6,948x = 16,422 × 16,422
  4. Step 4: Simplify right side
    6,948x = 269,682,084
  5. Step 5: Solve for x
    x = 269,682,084/6,948
  6. Step 6: Final answer
    x = 38,814.35

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.