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Finding the Third Proportional to 8,186.06 and 18,132.19

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Solution

The third proportional to 8,186.06 and 18,132.19 is: 40,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.06 : 18,132.19 = 18,132.19 : x
  2. Step 2: Convert to fraction form
    8,186.06/18,132.19 = 18,132.19/x
  3. Step 3: Cross multiply
    8,186.06x = 18,132.19 × 18,132.19
  4. Step 4: Simplify right side
    8,186.06x = 328,776,223.54
  5. Step 5: Solve for x
    x = 328,776,223.54/8,186.06
  6. Step 6: Final answer
    x = 40,162.93

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.