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Finding the Third Proportional to 8,315.44 and 18,066.38

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Solution

The third proportional to 8,315.44 and 18,066.38 is: 39,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.44 : 18,066.38 = 18,066.38 : x
  2. Step 2: Convert to fraction form
    8,315.44/18,066.38 = 18,066.38/x
  3. Step 3: Cross multiply
    8,315.44x = 18,066.38 × 18,066.38
  4. Step 4: Simplify right side
    8,315.44x = 326,393,905.64
  5. Step 5: Solve for x
    x = 326,393,905.64/8,315.44
  6. Step 6: Final answer
    x = 39,251.56

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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.