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Finding the Third Proportional to 16,512 and 33,840

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Solution

The third proportional to 16,512 and 33,840 is: 69,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512 : 33,840 = 33,840 : x
  2. Step 2: Convert to fraction form
    16,512/33,840 = 33,840/x
  3. Step 3: Cross multiply
    16,512x = 33,840 × 33,840
  4. Step 4: Simplify right side
    16,512x = 1,145,145,600
  5. Step 5: Solve for x
    x = 1,145,145,600/16,512
  6. Step 6: Final answer
    x = 69,352.33

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.