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Finding the Third Proportional to 18,641.39 and 38,376.28

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Solution

The third proportional to 18,641.39 and 38,376.28 is: 79,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.39 : 38,376.28 = 38,376.28 : x
  2. Step 2: Convert to fraction form
    18,641.39/38,376.28 = 38,376.28/x
  3. Step 3: Cross multiply
    18,641.39x = 38,376.28 × 38,376.28
  4. Step 4: Simplify right side
    18,641.39x = 1,472,738,962.58
  5. Step 5: Solve for x
    x = 1,472,738,962.58/18,641.39
  6. Step 6: Final answer
    x = 79,003.71

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.