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Finding the Third Proportional to 6,968 and 11,172

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Solution

The third proportional to 6,968 and 11,172 is: 17,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968 : 11,172 = 11,172 : x
  2. Step 2: Convert to fraction form
    6,968/11,172 = 11,172/x
  3. Step 3: Cross multiply
    6,968x = 11,172 × 11,172
  4. Step 4: Simplify right side
    6,968x = 124,813,584
  5. Step 5: Solve for x
    x = 124,813,584/6,968
  6. Step 6: Final answer
    x = 17,912.40

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.