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Finding the Third Proportional to 1,974 and 3,644

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Solution

The third proportional to 1,974 and 3,644 is: 6,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974 : 3,644 = 3,644 : x
  2. Step 2: Convert to fraction form
    1,974/3,644 = 3,644/x
  3. Step 3: Cross multiply
    1,974x = 3,644 × 3,644
  4. Step 4: Simplify right side
    1,974x = 13,278,736
  5. Step 5: Solve for x
    x = 13,278,736/1,974
  6. Step 6: Final answer
    x = 6,726.82

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.