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Finding the Third Proportional to 8,139.75 and 17,523.75

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Solution

The third proportional to 8,139.75 and 17,523.75 is: 37,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.75 : 17,523.75 = 17,523.75 : x
  2. Step 2: Convert to fraction form
    8,139.75/17,523.75 = 17,523.75/x
  3. Step 3: Cross multiply
    8,139.75x = 17,523.75 × 17,523.75
  4. Step 4: Simplify right side
    8,139.75x = 307,081,814.06
  5. Step 5: Solve for x
    x = 307,081,814.06/8,139.75
  6. Step 6: Final answer
    x = 37,726.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.