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Finding the Third Proportional to 8,310.94 and 18,079.88

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Solution

The third proportional to 8,310.94 and 18,079.88 is: 39,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.94 : 18,079.88 = 18,079.88 : x
  2. Step 2: Convert to fraction form
    8,310.94/18,079.88 = 18,079.88/x
  3. Step 3: Cross multiply
    8,310.94x = 18,079.88 × 18,079.88
  4. Step 4: Simplify right side
    8,310.94x = 326,881,880.02
  5. Step 5: Solve for x
    x = 326,881,880.02/8,310.94
  6. Step 6: Final answer
    x = 39,331.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.