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Finding the Third Proportional to 7,404 and 20,106

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Solution

The third proportional to 7,404 and 20,106 is: 54,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404 : 20,106 = 20,106 : x
  2. Step 2: Convert to fraction form
    7,404/20,106 = 20,106/x
  3. Step 3: Cross multiply
    7,404x = 20,106 × 20,106
  4. Step 4: Simplify right side
    7,404x = 404,251,236
  5. Step 5: Solve for x
    x = 404,251,236/7,404
  6. Step 6: Final answer
    x = 54,599.03

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.