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Finding the Third Proportional to 20,062.69 and 28,203.19

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Solution

The third proportional to 20,062.69 and 28,203.19 is: 39,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.69 : 28,203.19 = 28,203.19 : x
  2. Step 2: Convert to fraction form
    20,062.69/28,203.19 = 28,203.19/x
  3. Step 3: Cross multiply
    20,062.69x = 28,203.19 × 28,203.19
  4. Step 4: Simplify right side
    20,062.69x = 795,419,785.16
  5. Step 5: Solve for x
    x = 795,419,785.16/20,062.69
  6. Step 6: Final answer
    x = 39,646.72

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.