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Finding the Third Proportional to 28,198.88 and 61,936.13

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Solution

The third proportional to 28,198.88 and 61,936.13 is: 136,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.88 : 61,936.13 = 61,936.13 : x
  2. Step 2: Convert to fraction form
    28,198.88/61,936.13 = 61,936.13/x
  3. Step 3: Cross multiply
    28,198.88x = 61,936.13 × 61,936.13
  4. Step 4: Simplify right side
    28,198.88x = 3,836,083,580.02
  5. Step 5: Solve for x
    x = 3,836,083,580.02/28,198.88
  6. Step 6: Final answer
    x = 136,036.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.