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Finding the Third Proportional to 8,716.88 and 13,336.88

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Solution

The third proportional to 8,716.88 and 13,336.88 is: 20,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.88 : 13,336.88 = 13,336.88 : x
  2. Step 2: Convert to fraction form
    8,716.88/13,336.88 = 13,336.88/x
  3. Step 3: Cross multiply
    8,716.88x = 13,336.88 × 13,336.88
  4. Step 4: Simplify right side
    8,716.88x = 177,872,234.77
  5. Step 5: Solve for x
    x = 177,872,234.77/8,716.88
  6. Step 6: Final answer
    x = 20,405.50

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.