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Finding the Third Proportional to 18,757.44 and 28,612.63

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Solution

The third proportional to 18,757.44 and 28,612.63 is: 43,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.44 : 28,612.63 = 28,612.63 : x
  2. Step 2: Convert to fraction form
    18,757.44/28,612.63 = 28,612.63/x
  3. Step 3: Cross multiply
    18,757.44x = 28,612.63 × 28,612.63
  4. Step 4: Simplify right side
    18,757.44x = 818,682,309.39
  5. Step 5: Solve for x
    x = 818,682,309.39/18,757.44
  6. Step 6: Final answer
    x = 43,645.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.