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Finding the Third Proportional to 1,364 and 3,384

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Solution

The third proportional to 1,364 and 3,384 is: 8,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364 : 3,384 = 3,384 : x
  2. Step 2: Convert to fraction form
    1,364/3,384 = 3,384/x
  3. Step 3: Cross multiply
    1,364x = 3,384 × 3,384
  4. Step 4: Simplify right side
    1,364x = 11,451,456
  5. Step 5: Solve for x
    x = 11,451,456/1,364
  6. Step 6: Final answer
    x = 8,395.50

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.