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Finding the Third Proportional to 7,079.53 and 11,247.05

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Solution

The third proportional to 7,079.53 and 11,247.05 is: 17,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.53 : 11,247.05 = 11,247.05 : x
  2. Step 2: Convert to fraction form
    7,079.53/11,247.05 = 11,247.05/x
  3. Step 3: Cross multiply
    7,079.53x = 11,247.05 × 11,247.05
  4. Step 4: Simplify right side
    7,079.53x = 126,496,063.41
  5. Step 5: Solve for x
    x = 126,496,063.41/7,079.53
  6. Step 6: Final answer
    x = 17,867.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.