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Finding the Third Proportional to 16,512 and 40,722

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Solution

The third proportional to 16,512 and 40,722 is: 100,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512 : 40,722 = 40,722 : x
  2. Step 2: Convert to fraction form
    16,512/40,722 = 40,722/x
  3. Step 3: Cross multiply
    16,512x = 40,722 × 40,722
  4. Step 4: Simplify right side
    16,512x = 1,658,281,284
  5. Step 5: Solve for x
    x = 1,658,281,284/16,512
  6. Step 6: Final answer
    x = 100,428.86

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.