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Finding the Third Proportional to 8,364.19 and 18,186.38

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Solution

The third proportional to 8,364.19 and 18,186.38 is: 39,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.19 : 18,186.38 = 18,186.38 : x
  2. Step 2: Convert to fraction form
    8,364.19/18,186.38 = 18,186.38/x
  3. Step 3: Cross multiply
    8,364.19x = 18,186.38 × 18,186.38
  4. Step 4: Simplify right side
    8,364.19x = 330,744,235.64
  5. Step 5: Solve for x
    x = 330,744,235.64/8,364.19
  6. Step 6: Final answer
    x = 39,542.90

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1.5x scale

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.