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Finding the Third Proportional to 12,206.63 and 18,440.63

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Solution

The third proportional to 12,206.63 and 18,440.63 is: 27,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.63 : 18,440.63 = 18,440.63 : x
  2. Step 2: Convert to fraction form
    12,206.63/18,440.63 = 18,440.63/x
  3. Step 3: Cross multiply
    12,206.63x = 18,440.63 × 18,440.63
  4. Step 4: Simplify right side
    12,206.63x = 340,056,650.39
  5. Step 5: Solve for x
    x = 340,056,650.39/12,206.63
  6. Step 6: Final answer
    x = 27,858.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.