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Finding the Third Proportional to 2,135.50 and 3,749

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Solution

The third proportional to 2,135.50 and 3,749 is: 6,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.50 : 3,749 = 3,749 : x
  2. Step 2: Convert to fraction form
    2,135.50/3,749 = 3,749/x
  3. Step 3: Cross multiply
    2,135.50x = 3,749 × 3,749
  4. Step 4: Simplify right side
    2,135.50x = 14,055,001
  5. Step 5: Solve for x
    x = 14,055,001/2,135.50
  6. Step 6: Final answer
    x = 6,581.60

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.