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Finding the Third Proportional to 16,999.88 and 24,811.31

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Solution

The third proportional to 16,999.88 and 24,811.31 is: 36,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.88 : 24,811.31 = 24,811.31 : x
  2. Step 2: Convert to fraction form
    16,999.88/24,811.31 = 24,811.31/x
  3. Step 3: Cross multiply
    16,999.88x = 24,811.31 × 24,811.31
  4. Step 4: Simplify right side
    16,999.88x = 615,601,227.97
  5. Step 5: Solve for x
    x = 615,601,227.97/16,999.88
  6. Step 6: Final answer
    x = 36,212.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.