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Finding the Third Proportional to 16,128 and 24,198.75

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Solution

The third proportional to 16,128 and 24,198.75 is: 36,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128 : 24,198.75 = 24,198.75 : x
  2. Step 2: Convert to fraction form
    16,128/24,198.75 = 24,198.75/x
  3. Step 3: Cross multiply
    16,128x = 24,198.75 × 24,198.75
  4. Step 4: Simplify right side
    16,128x = 585,579,501.56
  5. Step 5: Solve for x
    x = 585,579,501.56/16,128
  6. Step 6: Final answer
    x = 36,308.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.