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Finding the Third Proportional to 4,995 and 8,901

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Solution

The third proportional to 4,995 and 8,901 is: 15,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995 : 8,901 = 8,901 : x
  2. Step 2: Convert to fraction form
    4,995/8,901 = 8,901/x
  3. Step 3: Cross multiply
    4,995x = 8,901 × 8,901
  4. Step 4: Simplify right side
    4,995x = 79,227,801
  5. Step 5: Solve for x
    x = 79,227,801/4,995
  6. Step 6: Final answer
    x = 15,861.42

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.