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Finding the Third Proportional to 3,358 and 7,951

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Solution

The third proportional to 3,358 and 7,951 is: 18,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358 : 7,951 = 7,951 : x
  2. Step 2: Convert to fraction form
    3,358/7,951 = 7,951/x
  3. Step 3: Cross multiply
    3,358x = 7,951 × 7,951
  4. Step 4: Simplify right side
    3,358x = 63,218,401
  5. Step 5: Solve for x
    x = 63,218,401/3,358
  6. Step 6: Final answer
    x = 18,826.21

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.