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Finding the Third Proportional to 6,912 and 14,916

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Solution

The third proportional to 6,912 and 14,916 is: 32,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912 : 14,916 = 14,916 : x
  2. Step 2: Convert to fraction form
    6,912/14,916 = 14,916/x
  3. Step 3: Cross multiply
    6,912x = 14,916 × 14,916
  4. Step 4: Simplify right side
    6,912x = 222,487,056
  5. Step 5: Solve for x
    x = 222,487,056/6,912
  6. Step 6: Final answer
    x = 32,188.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.