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Finding the Third Proportional to 14,112 and 16,512

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Solution

The third proportional to 14,112 and 16,512 is: 19,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112 : 16,512 = 16,512 : x
  2. Step 2: Convert to fraction form
    14,112/16,512 = 16,512/x
  3. Step 3: Cross multiply
    14,112x = 16,512 × 16,512
  4. Step 4: Simplify right side
    14,112x = 272,646,144
  5. Step 5: Solve for x
    x = 272,646,144/14,112
  6. Step 6: Final answer
    x = 19,320.16

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.