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Finding the Third Proportional to 7,751 and 16,951

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Solution

The third proportional to 7,751 and 16,951 is: 37,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751 : 16,951 = 16,951 : x
  2. Step 2: Convert to fraction form
    7,751/16,951 = 16,951/x
  3. Step 3: Cross multiply
    7,751x = 16,951 × 16,951
  4. Step 4: Simplify right side
    7,751x = 287,336,401
  5. Step 5: Solve for x
    x = 287,336,401/7,751
  6. Step 6: Final answer
    x = 37,070.88

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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.