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Finding the Third Proportional to 3,356 and 7,276

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Solution

The third proportional to 3,356 and 7,276 is: 15,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356 : 7,276 = 7,276 : x
  2. Step 2: Convert to fraction form
    3,356/7,276 = 7,276/x
  3. Step 3: Cross multiply
    3,356x = 7,276 × 7,276
  4. Step 4: Simplify right side
    3,356x = 52,940,176
  5. Step 5: Solve for x
    x = 52,940,176/3,356
  6. Step 6: Final answer
    x = 15,774.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.