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Finding the Third Proportional to 18,058.50 and 38,805.19

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Solution

The third proportional to 18,058.50 and 38,805.19 is: 83,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.50 : 38,805.19 = 38,805.19 : x
  2. Step 2: Convert to fraction form
    18,058.50/38,805.19 = 38,805.19/x
  3. Step 3: Cross multiply
    18,058.50x = 38,805.19 × 38,805.19
  4. Step 4: Simplify right side
    18,058.50x = 1,505,842,576.91
  5. Step 5: Solve for x
    x = 1,505,842,576.91/18,058.50
  6. Step 6: Final answer
    x = 83,386.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.