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Finding the Third Proportional to 14,112 and 21,192

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Solution

The third proportional to 14,112 and 21,192 is: 31,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112 : 21,192 = 21,192 : x
  2. Step 2: Convert to fraction form
    14,112/21,192 = 21,192/x
  3. Step 3: Cross multiply
    14,112x = 21,192 × 21,192
  4. Step 4: Simplify right side
    14,112x = 449,100,864
  5. Step 5: Solve for x
    x = 449,100,864/14,112
  6. Step 6: Final answer
    x = 31,824.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.