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Finding the Third Proportional to 8,380.13 and 13,167

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Solution

The third proportional to 8,380.13 and 13,167 is: 20,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.13 : 13,167 = 13,167 : x
  2. Step 2: Convert to fraction form
    8,380.13/13,167 = 13,167/x
  3. Step 3: Cross multiply
    8,380.13x = 13,167 × 13,167
  4. Step 4: Simplify right side
    8,380.13x = 173,369,889
  5. Step 5: Solve for x
    x = 173,369,889/8,380.13
  6. Step 6: Final answer
    x = 20,688.22

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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.