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Finding the Third Proportional to 11,749 and 16,705

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Solution

The third proportional to 11,749 and 16,705 is: 23,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749 : 16,705 = 16,705 : x
  2. Step 2: Convert to fraction form
    11,749/16,705 = 16,705/x
  3. Step 3: Cross multiply
    11,749x = 16,705 × 16,705
  4. Step 4: Simplify right side
    11,749x = 279,057,025
  5. Step 5: Solve for x
    x = 279,057,025/11,749
  6. Step 6: Final answer
    x = 23,751.56

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.