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Finding the Third Proportional to 2,125 and 3,250

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Solution

The third proportional to 2,125 and 3,250 is: 4,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125 : 3,250 = 3,250 : x
  2. Step 2: Convert to fraction form
    2,125/3,250 = 3,250/x
  3. Step 3: Cross multiply
    2,125x = 3,250 × 3,250
  4. Step 4: Simplify right side
    2,125x = 10,562,500
  5. Step 5: Solve for x
    x = 10,562,500/2,125
  6. Step 6: Final answer
    x = 4,970.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.