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Finding the Third Proportional to 16,040 and 32,720

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Solution

The third proportional to 16,040 and 32,720 is: 66,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040 : 32,720 = 32,720 : x
  2. Step 2: Convert to fraction form
    16,040/32,720 = 32,720/x
  3. Step 3: Cross multiply
    16,040x = 32,720 × 32,720
  4. Step 4: Simplify right side
    16,040x = 1,070,598,400
  5. Step 5: Solve for x
    x = 1,070,598,400/16,040
  6. Step 6: Final answer
    x = 66,745.54

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.