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Finding the Third Proportional to 12,124.13 and 18,200.81

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Solution

The third proportional to 12,124.13 and 18,200.81 is: 27,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.13 : 18,200.81 = 18,200.81 : x
  2. Step 2: Convert to fraction form
    12,124.13/18,200.81 = 18,200.81/x
  3. Step 3: Cross multiply
    12,124.13x = 18,200.81 × 18,200.81
  4. Step 4: Simplify right side
    12,124.13x = 331,269,575.66
  5. Step 5: Solve for x
    x = 331,269,575.66/12,124.13
  6. Step 6: Final answer
    x = 27,323.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.