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Finding the Third Proportional to 15,912.56 and 33,132.38

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Solution

The third proportional to 15,912.56 and 33,132.38 is: 68,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.56 : 33,132.38 = 33,132.38 : x
  2. Step 2: Convert to fraction form
    15,912.56/33,132.38 = 33,132.38/x
  3. Step 3: Cross multiply
    15,912.56x = 33,132.38 × 33,132.38
  4. Step 4: Simplify right side
    15,912.56x = 1,097,754,273.14
  5. Step 5: Solve for x
    x = 1,097,754,273.14/15,912.56
  6. Step 6: Final answer
    x = 68,986.64

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.