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Finding the Third Proportional to 16,520 and 29,512

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Solution

The third proportional to 16,520 and 29,512 is: 52,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520 : 29,512 = 29,512 : x
  2. Step 2: Convert to fraction form
    16,520/29,512 = 29,512/x
  3. Step 3: Cross multiply
    16,520x = 29,512 × 29,512
  4. Step 4: Simplify right side
    16,520x = 870,958,144
  5. Step 5: Solve for x
    x = 870,958,144/16,520
  6. Step 6: Final answer
    x = 52,721.44

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.