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Finding the Third Proportional to 11,996.44 and 18,817.21

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Solution

The third proportional to 11,996.44 and 18,817.21 is: 29,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.44 : 18,817.21 = 18,817.21 : x
  2. Step 2: Convert to fraction form
    11,996.44/18,817.21 = 18,817.21/x
  3. Step 3: Cross multiply
    11,996.44x = 18,817.21 × 18,817.21
  4. Step 4: Simplify right side
    11,996.44x = 354,087,280.46
  5. Step 5: Solve for x
    x = 354,087,280.46/11,996.44
  6. Step 6: Final answer
    x = 29,516.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.