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Finding the Third Proportional to 11,238.75 and 18,042.75

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Solution

The third proportional to 11,238.75 and 18,042.75 is: 28,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.75 : 18,042.75 = 18,042.75 : x
  2. Step 2: Convert to fraction form
    11,238.75/18,042.75 = 18,042.75/x
  3. Step 3: Cross multiply
    11,238.75x = 18,042.75 × 18,042.75
  4. Step 4: Simplify right side
    11,238.75x = 325,540,827.56
  5. Step 5: Solve for x
    x = 325,540,827.56/11,238.75
  6. Step 6: Final answer
    x = 28,965.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.