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Finding the Third Proportional to 2,180 and 2,901

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Solution

The third proportional to 2,180 and 2,901 is: 3,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180 : 2,901 = 2,901 : x
  2. Step 2: Convert to fraction form
    2,180/2,901 = 2,901/x
  3. Step 3: Cross multiply
    2,180x = 2,901 × 2,901
  4. Step 4: Simplify right side
    2,180x = 8,415,801
  5. Step 5: Solve for x
    x = 8,415,801/2,180
  6. Step 6: Final answer
    x = 3,860.46

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.