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Finding the Third Proportional to 16,991.44 and 36,900.56

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Solution

The third proportional to 16,991.44 and 36,900.56 is: 80,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.44 : 36,900.56 = 36,900.56 : x
  2. Step 2: Convert to fraction form
    16,991.44/36,900.56 = 36,900.56/x
  3. Step 3: Cross multiply
    16,991.44x = 36,900.56 × 36,900.56
  4. Step 4: Simplify right side
    16,991.44x = 1,361,651,512.82
  5. Step 5: Solve for x
    x = 1,361,651,512.82/16,991.44
  6. Step 6: Final answer
    x = 80,137.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.