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Finding the Third Proportional to 2,074 and 3,389

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Solution

The third proportional to 2,074 and 3,389 is: 5,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074 : 3,389 = 3,389 : x
  2. Step 2: Convert to fraction form
    2,074/3,389 = 3,389/x
  3. Step 3: Cross multiply
    2,074x = 3,389 × 3,389
  4. Step 4: Simplify right side
    2,074x = 11,485,321
  5. Step 5: Solve for x
    x = 11,485,321/2,074
  6. Step 6: Final answer
    x = 5,537.76

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.