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Finding the Third Proportional to 8,317.69 and 20,072.81

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Solution

The third proportional to 8,317.69 and 20,072.81 is: 48,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.69 : 20,072.81 = 20,072.81 : x
  2. Step 2: Convert to fraction form
    8,317.69/20,072.81 = 20,072.81/x
  3. Step 3: Cross multiply
    8,317.69x = 20,072.81 × 20,072.81
  4. Step 4: Simplify right side
    8,317.69x = 402,917,801.66
  5. Step 5: Solve for x
    x = 402,917,801.66/8,317.69
  6. Step 6: Final answer
    x = 48,441.08

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.