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Finding the Third Proportional to 4,686 and 8,229

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Solution

The third proportional to 4,686 and 8,229 is: 14,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686 : 8,229 = 8,229 : x
  2. Step 2: Convert to fraction form
    4,686/8,229 = 8,229/x
  3. Step 3: Cross multiply
    4,686x = 8,229 × 8,229
  4. Step 4: Simplify right side
    4,686x = 67,716,441
  5. Step 5: Solve for x
    x = 67,716,441/4,686
  6. Step 6: Final answer
    x = 14,450.80

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.