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Finding the Third Proportional to 20,013.75 and 26,858.25

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Solution

The third proportional to 20,013.75 and 26,858.25 is: 36,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.75 : 26,858.25 = 26,858.25 : x
  2. Step 2: Convert to fraction form
    20,013.75/26,858.25 = 26,858.25/x
  3. Step 3: Cross multiply
    20,013.75x = 26,858.25 × 26,858.25
  4. Step 4: Simplify right side
    20,013.75x = 721,365,593.06
  5. Step 5: Solve for x
    x = 721,365,593.06/20,013.75
  6. Step 6: Final answer
    x = 36,043.50

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.