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Finding the Third Proportional to 7,811.44 and 16,736.63

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Solution

The third proportional to 7,811.44 and 16,736.63 is: 35,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.44 : 16,736.63 = 16,736.63 : x
  2. Step 2: Convert to fraction form
    7,811.44/16,736.63 = 16,736.63/x
  3. Step 3: Cross multiply
    7,811.44x = 16,736.63 × 16,736.63
  4. Step 4: Simplify right side
    7,811.44x = 280,114,616.39
  5. Step 5: Solve for x
    x = 280,114,616.39/7,811.44
  6. Step 6: Final answer
    x = 35,859.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.