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Finding the Third Proportional to 8,778.66 and 19,199.53

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Solution

The third proportional to 8,778.66 and 19,199.53 is: 41,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.66 : 19,199.53 = 19,199.53 : x
  2. Step 2: Convert to fraction form
    8,778.66/19,199.53 = 19,199.53/x
  3. Step 3: Cross multiply
    8,778.66x = 19,199.53 × 19,199.53
  4. Step 4: Simplify right side
    8,778.66x = 368,622,000.22
  5. Step 5: Solve for x
    x = 368,622,000.22/8,778.66
  6. Step 6: Final answer
    x = 41,990.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.