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Finding the Third Proportional to 16,618.50 and 36,608.63

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Solution

The third proportional to 16,618.50 and 36,608.63 is: 80,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.50 : 36,608.63 = 36,608.63 : x
  2. Step 2: Convert to fraction form
    16,618.50/36,608.63 = 36,608.63/x
  3. Step 3: Cross multiply
    16,618.50x = 36,608.63 × 36,608.63
  4. Step 4: Simplify right side
    16,618.50x = 1,340,191,424.39
  5. Step 5: Solve for x
    x = 1,340,191,424.39/16,618.50
  6. Step 6: Final answer
    x = 80,644.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.