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Finding the Third Proportional to 4,396 and 8,929

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Solution

The third proportional to 4,396 and 8,929 is: 18,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396 : 8,929 = 8,929 : x
  2. Step 2: Convert to fraction form
    4,396/8,929 = 8,929/x
  3. Step 3: Cross multiply
    4,396x = 8,929 × 8,929
  4. Step 4: Simplify right side
    4,396x = 79,727,041
  5. Step 5: Solve for x
    x = 79,727,041/4,396
  6. Step 6: Final answer
    x = 18,136.27

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.