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Finding the Third Proportional to 15,968 and 36,872

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Solution

The third proportional to 15,968 and 36,872 is: 85,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968 : 36,872 = 36,872 : x
  2. Step 2: Convert to fraction form
    15,968/36,872 = 36,872/x
  3. Step 3: Cross multiply
    15,968x = 36,872 × 36,872
  4. Step 4: Simplify right side
    15,968x = 1,359,544,384
  5. Step 5: Solve for x
    x = 1,359,544,384/15,968
  6. Step 6: Final answer
    x = 85,141.81

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.