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Finding the Third Proportional to 1,394 and 2,993

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Solution

The third proportional to 1,394 and 2,993 is: 6,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394 : 2,993 = 2,993 : x
  2. Step 2: Convert to fraction form
    1,394/2,993 = 2,993/x
  3. Step 3: Cross multiply
    1,394x = 2,993 × 2,993
  4. Step 4: Simplify right side
    1,394x = 8,958,049
  5. Step 5: Solve for x
    x = 8,958,049/1,394
  6. Step 6: Final answer
    x = 6,426.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.