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Finding the Third Proportional to 1,613 and 3,749

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Solution

The third proportional to 1,613 and 3,749 is: 8,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613 : 3,749 = 3,749 : x
  2. Step 2: Convert to fraction form
    1,613/3,749 = 3,749/x
  3. Step 3: Cross multiply
    1,613x = 3,749 × 3,749
  4. Step 4: Simplify right side
    1,613x = 14,055,001
  5. Step 5: Solve for x
    x = 14,055,001/1,613
  6. Step 6: Final answer
    x = 8,713.58

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.