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Finding the Third Proportional to 20,540.25 and 26,973

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Solution

The third proportional to 20,540.25 and 26,973 is: 35,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,540.25 : 26,973 = 26,973 : x
  2. Step 2: Convert to fraction form
    20,540.25/26,973 = 26,973/x
  3. Step 3: Cross multiply
    20,540.25x = 26,973 × 26,973
  4. Step 4: Simplify right side
    20,540.25x = 727,542,729
  5. Step 5: Solve for x
    x = 727,542,729/20,540.25
  6. Step 6: Final answer
    x = 35,420.34

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.