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Finding the Third Proportional to 4,229 and 8,806

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Solution

The third proportional to 4,229 and 8,806 is: 18,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229 : 8,806 = 8,806 : x
  2. Step 2: Convert to fraction form
    4,229/8,806 = 8,806/x
  3. Step 3: Cross multiply
    4,229x = 8,806 × 8,806
  4. Step 4: Simplify right side
    4,229x = 77,545,636
  5. Step 5: Solve for x
    x = 77,545,636/4,229
  6. Step 6: Final answer
    x = 18,336.64

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.