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Finding the Third Proportional to 8,611.91 and 12,552.96

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Solution

The third proportional to 8,611.91 and 12,552.96 is: 18,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.91 : 12,552.96 = 12,552.96 : x
  2. Step 2: Convert to fraction form
    8,611.91/12,552.96 = 12,552.96/x
  3. Step 3: Cross multiply
    8,611.91x = 12,552.96 × 12,552.96
  4. Step 4: Simplify right side
    8,611.91x = 157,576,759.34
  5. Step 5: Solve for x
    x = 157,576,759.34/8,611.91
  6. Step 6: Final answer
    x = 18,297.53

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.