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Finding the Third Proportional to 13,326.75 and 20,008.13

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Solution

The third proportional to 13,326.75 and 20,008.13 is: 30,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.75 : 20,008.13 = 20,008.13 : x
  2. Step 2: Convert to fraction form
    13,326.75/20,008.13 = 20,008.13/x
  3. Step 3: Cross multiply
    13,326.75x = 20,008.13 × 20,008.13
  4. Step 4: Simplify right side
    13,326.75x = 400,325,066.02
  5. Step 5: Solve for x
    x = 400,325,066.02/13,326.75
  6. Step 6: Final answer
    x = 30,039.21

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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.