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Finding the Third Proportional to 1,393 and 2,041

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Solution

The third proportional to 1,393 and 2,041 is: 2,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393 : 2,041 = 2,041 : x
  2. Step 2: Convert to fraction form
    1,393/2,041 = 2,041/x
  3. Step 3: Cross multiply
    1,393x = 2,041 × 2,041
  4. Step 4: Simplify right side
    1,393x = 4,165,681
  5. Step 5: Solve for x
    x = 4,165,681/1,393
  6. Step 6: Final answer
    x = 2,990.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.