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Finding the Third Proportional to 18,107.30 and 27,428.63

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Solution

The third proportional to 18,107.30 and 27,428.63 is: 41,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.30 : 27,428.63 = 27,428.63 : x
  2. Step 2: Convert to fraction form
    18,107.30/27,428.63 = 27,428.63/x
  3. Step 3: Cross multiply
    18,107.30x = 27,428.63 × 27,428.63
  4. Step 4: Simplify right side
    18,107.30x = 752,329,469.39
  5. Step 5: Solve for x
    x = 752,329,469.39/18,107.30
  6. Step 6: Final answer
    x = 41,548.41

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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.