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Finding the Third Proportional to 18,828.56 and 27,521.30

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Solution

The third proportional to 18,828.56 and 27,521.30 is: 40,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.56 : 27,521.30 = 27,521.30 : x
  2. Step 2: Convert to fraction form
    18,828.56/27,521.30 = 27,521.30/x
  3. Step 3: Cross multiply
    18,828.56x = 27,521.30 × 27,521.30
  4. Step 4: Simplify right side
    18,828.56x = 757,421,781.68
  5. Step 5: Solve for x
    x = 757,421,781.68/18,828.56
  6. Step 6: Final answer
    x = 40,227.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.