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Finding the Third Proportional to 18,804.38 and 40,889.25

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Solution

The third proportional to 18,804.38 and 40,889.25 is: 88,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.38 : 40,889.25 = 40,889.25 : x
  2. Step 2: Convert to fraction form
    18,804.38/40,889.25 = 40,889.25/x
  3. Step 3: Cross multiply
    18,804.38x = 40,889.25 × 40,889.25
  4. Step 4: Simplify right side
    18,804.38x = 1,671,930,765.56
  5. Step 5: Solve for x
    x = 1,671,930,765.56/18,804.38
  6. Step 6: Final answer
    x = 88,911.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.