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Finding the Third Proportional to 2,937.75 and 4,028.63

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Solution

The third proportional to 2,937.75 and 4,028.63 is: 5,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.75 : 4,028.63 = 4,028.63 : x
  2. Step 2: Convert to fraction form
    2,937.75/4,028.63 = 4,028.63/x
  3. Step 3: Cross multiply
    2,937.75x = 4,028.63 × 4,028.63
  4. Step 4: Simplify right side
    2,937.75x = 16,229,819.39
  5. Step 5: Solve for x
    x = 16,229,819.39/2,937.75
  6. Step 6: Final answer
    x = 5,524.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.