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Finding the Third Proportional to 13,559.06 and 20,854.97

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Solution

The third proportional to 13,559.06 and 20,854.97 is: 32,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.06 : 20,854.97 = 20,854.97 : x
  2. Step 2: Convert to fraction form
    13,559.06/20,854.97 = 20,854.97/x
  3. Step 3: Cross multiply
    13,559.06x = 20,854.97 × 20,854.97
  4. Step 4: Simplify right side
    13,559.06x = 434,929,721.56
  5. Step 5: Solve for x
    x = 434,929,721.56/13,559.06
  6. Step 6: Final answer
    x = 32,076.68

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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.