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Finding the Third Proportional to 8,436.75 and 18,040.88

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Solution

The third proportional to 8,436.75 and 18,040.88 is: 38,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.75 : 18,040.88 = 18,040.88 : x
  2. Step 2: Convert to fraction form
    8,436.75/18,040.88 = 18,040.88/x
  3. Step 3: Cross multiply
    8,436.75x = 18,040.88 × 18,040.88
  4. Step 4: Simplify right side
    8,436.75x = 325,473,170.77
  5. Step 5: Solve for x
    x = 325,473,170.77/8,436.75
  6. Step 6: Final answer
    x = 38,578.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.