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Finding the Third Proportional to 18,467 and 28,649

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Solution

The third proportional to 18,467 and 28,649 is: 44,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467 : 28,649 = 28,649 : x
  2. Step 2: Convert to fraction form
    18,467/28,649 = 28,649/x
  3. Step 3: Cross multiply
    18,467x = 28,649 × 28,649
  4. Step 4: Simplify right side
    18,467x = 820,765,201
  5. Step 5: Solve for x
    x = 820,765,201/18,467
  6. Step 6: Final answer
    x = 44,444.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.