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Finding the Third Proportional to 18,287.25 and 38,009.25

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Solution

The third proportional to 18,287.25 and 38,009.25 is: 79,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.25 : 38,009.25 = 38,009.25 : x
  2. Step 2: Convert to fraction form
    18,287.25/38,009.25 = 38,009.25/x
  3. Step 3: Cross multiply
    18,287.25x = 38,009.25 × 38,009.25
  4. Step 4: Simplify right side
    18,287.25x = 1,444,703,085.56
  5. Step 5: Solve for x
    x = 1,444,703,085.56/18,287.25
  6. Step 6: Final answer
    x = 79,000.57

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.