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Finding the Third Proportional to 3,358 and 5,281

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Solution

The third proportional to 3,358 and 5,281 is: 8,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358 : 5,281 = 5,281 : x
  2. Step 2: Convert to fraction form
    3,358/5,281 = 5,281/x
  3. Step 3: Cross multiply
    3,358x = 5,281 × 5,281
  4. Step 4: Simplify right side
    3,358x = 27,888,961
  5. Step 5: Solve for x
    x = 27,888,961/3,358
  6. Step 6: Final answer
    x = 8,305.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.