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Finding the Third Proportional to 2,873.50 and 4,393

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Solution

The third proportional to 2,873.50 and 4,393 is: 6,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.50 : 4,393 = 4,393 : x
  2. Step 2: Convert to fraction form
    2,873.50/4,393 = 4,393/x
  3. Step 3: Cross multiply
    2,873.50x = 4,393 × 4,393
  4. Step 4: Simplify right side
    2,873.50x = 19,298,449
  5. Step 5: Solve for x
    x = 19,298,449/2,873.50
  6. Step 6: Final answer
    x = 6,716.01

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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.