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Finding the Third Proportional to 742.92 and 1,593.42

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Solution

The third proportional to 742.92 and 1,593.42 is: 3,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    742.92 : 1,593.42 = 1,593.42 : x
  2. Step 2: Convert to fraction form
    742.92/1,593.42 = 1,593.42/x
  3. Step 3: Cross multiply
    742.92x = 1,593.42 × 1,593.42
  4. Step 4: Simplify right side
    742.92x = 2,538,993.27
  5. Step 5: Solve for x
    x = 2,538,993.27/742.92
  6. Step 6: Final answer
    x = 3,417.58

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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.