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Finding the Third Proportional to 21,611.11 and 33,375.16

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Solution

The third proportional to 21,611.11 and 33,375.16 is: 51,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.11 : 33,375.16 = 33,375.16 : x
  2. Step 2: Convert to fraction form
    21,611.11/33,375.16 = 33,375.16/x
  3. Step 3: Cross multiply
    21,611.11x = 33,375.16 × 33,375.16
  4. Step 4: Simplify right side
    21,611.11x = 1,113,901,576.20
  5. Step 5: Solve for x
    x = 1,113,901,576.20/21,611.11
  6. Step 6: Final answer
    x = 51,543.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.