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Finding the Third Proportional to 14,007 and 18,768.75

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Solution

The third proportional to 14,007 and 18,768.75 is: 25,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007 : 18,768.75 = 18,768.75 : x
  2. Step 2: Convert to fraction form
    14,007/18,768.75 = 18,768.75/x
  3. Step 3: Cross multiply
    14,007x = 18,768.75 × 18,768.75
  4. Step 4: Simplify right side
    14,007x = 352,265,976.56
  5. Step 5: Solve for x
    x = 352,265,976.56/14,007
  6. Step 6: Final answer
    x = 25,149.28

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.