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Finding the Third Proportional to 16,230.38 and 20,739.38

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Solution

The third proportional to 16,230.38 and 20,739.38 is: 26,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.38 : 20,739.38 = 20,739.38 : x
  2. Step 2: Convert to fraction form
    16,230.38/20,739.38 = 20,739.38/x
  3. Step 3: Cross multiply
    16,230.38x = 20,739.38 × 20,739.38
  4. Step 4: Simplify right side
    16,230.38x = 430,121,675.39
  5. Step 5: Solve for x
    x = 430,121,675.39/16,230.38
  6. Step 6: Final answer
    x = 26,501.03

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.