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Finding the Third Proportional to 16,557.75 and 36,087.19

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Solution

The third proportional to 16,557.75 and 36,087.19 is: 78,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,557.75 : 36,087.19 = 36,087.19 : x
  2. Step 2: Convert to fraction form
    16,557.75/36,087.19 = 36,087.19/x
  3. Step 3: Cross multiply
    16,557.75x = 36,087.19 × 36,087.19
  4. Step 4: Simplify right side
    16,557.75x = 1,302,285,101.66
  5. Step 5: Solve for x
    x = 1,302,285,101.66/16,557.75
  6. Step 6: Final answer
    x = 78,651.09

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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.