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Finding the Third Proportional to 2,914 and 7,901

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Solution

The third proportional to 2,914 and 7,901 is: 21,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914 : 7,901 = 7,901 : x
  2. Step 2: Convert to fraction form
    2,914/7,901 = 7,901/x
  3. Step 3: Cross multiply
    2,914x = 7,901 × 7,901
  4. Step 4: Simplify right side
    2,914x = 62,425,801
  5. Step 5: Solve for x
    x = 62,425,801/2,914
  6. Step 6: Final answer
    x = 21,422.72

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.