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Finding the Third Proportional to 12,625.88 and 18,694.13

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Solution

The third proportional to 12,625.88 and 18,694.13 is: 27,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.88 : 18,694.13 = 18,694.13 : x
  2. Step 2: Convert to fraction form
    12,625.88/18,694.13 = 18,694.13/x
  3. Step 3: Cross multiply
    12,625.88x = 18,694.13 × 18,694.13
  4. Step 4: Simplify right side
    12,625.88x = 349,470,309.52
  5. Step 5: Solve for x
    x = 349,470,309.52/12,625.88
  6. Step 6: Final answer
    x = 27,678.90

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.