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Finding the Third Proportional to 6,909.75 and 13,002.75

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Solution

The third proportional to 6,909.75 and 13,002.75 is: 24,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.75 : 13,002.75 = 13,002.75 : x
  2. Step 2: Convert to fraction form
    6,909.75/13,002.75 = 13,002.75/x
  3. Step 3: Cross multiply
    6,909.75x = 13,002.75 × 13,002.75
  4. Step 4: Simplify right side
    6,909.75x = 169,071,507.56
  5. Step 5: Solve for x
    x = 169,071,507.56/6,909.75
  6. Step 6: Final answer
    x = 24,468.54

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.