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Finding the Third Proportional to 3,364 and 7,378

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Solution

The third proportional to 3,364 and 7,378 is: 16,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364 : 7,378 = 7,378 : x
  2. Step 2: Convert to fraction form
    3,364/7,378 = 7,378/x
  3. Step 3: Cross multiply
    3,364x = 7,378 × 7,378
  4. Step 4: Simplify right side
    3,364x = 54,434,884
  5. Step 5: Solve for x
    x = 54,434,884/3,364
  6. Step 6: Final answer
    x = 16,181.59

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.