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Finding the Third Proportional to 1,670 and 3,250

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Solution

The third proportional to 1,670 and 3,250 is: 6,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670 : 3,250 = 3,250 : x
  2. Step 2: Convert to fraction form
    1,670/3,250 = 3,250/x
  3. Step 3: Cross multiply
    1,670x = 3,250 × 3,250
  4. Step 4: Simplify right side
    1,670x = 10,562,500
  5. Step 5: Solve for x
    x = 10,562,500/1,670
  6. Step 6: Final answer
    x = 6,324.85

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.