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Finding the Third Proportional to 16,768.90 and 36,690.47

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Solution

The third proportional to 16,768.90 and 36,690.47 is: 80,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.90 : 36,690.47 = 36,690.47 : x
  2. Step 2: Convert to fraction form
    16,768.90/36,690.47 = 36,690.47/x
  3. Step 3: Cross multiply
    16,768.90x = 36,690.47 × 36,690.47
  4. Step 4: Simplify right side
    16,768.90x = 1,346,190,497.09
  5. Step 5: Solve for x
    x = 1,346,190,497.09/16,768.90
  6. Step 6: Final answer
    x = 80,279.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.