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Finding the Third Proportional to 18,757.75 and 28,612.94

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Solution

The third proportional to 18,757.75 and 28,612.94 is: 43,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.75 : 28,612.94 = 28,612.94 : x
  2. Step 2: Convert to fraction form
    18,757.75/28,612.94 = 28,612.94/x
  3. Step 3: Cross multiply
    18,757.75x = 28,612.94 × 28,612.94
  4. Step 4: Simplify right side
    18,757.75x = 818,700,192.38
  5. Step 5: Solve for x
    x = 818,700,192.38/18,757.75
  6. Step 6: Final answer
    x = 43,645.97

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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.