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Finding the Third Proportional to 20,987.44 and 33,231.94

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Solution

The third proportional to 20,987.44 and 33,231.94 is: 52,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,987.44 : 33,231.94 = 33,231.94 : x
  2. Step 2: Convert to fraction form
    20,987.44/33,231.94 = 33,231.94/x
  3. Step 3: Cross multiply
    20,987.44x = 33,231.94 × 33,231.94
  4. Step 4: Simplify right side
    20,987.44x = 1,104,361,670.00
  5. Step 5: Solve for x
    x = 1,104,361,670.00/20,987.44
  6. Step 6: Final answer
    x = 52,620.13

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.