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Finding the Third Proportional to 18,616.08 and 39,897.56

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Solution

The third proportional to 18,616.08 and 39,897.56 is: 85,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.08 : 39,897.56 = 39,897.56 : x
  2. Step 2: Convert to fraction form
    18,616.08/39,897.56 = 39,897.56/x
  3. Step 3: Cross multiply
    18,616.08x = 39,897.56 × 39,897.56
  4. Step 4: Simplify right side
    18,616.08x = 1,591,815,493.44
  5. Step 5: Solve for x
    x = 1,591,815,493.44/18,616.08
  6. Step 6: Final answer
    x = 85,507.56

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