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Finding the Third Proportional to 79,543 and 173,079

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Solution

The third proportional to 79,543 and 173,079 is: 376,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,543 : 173,079 = 173,079 : x
  2. Step 2: Convert to fraction form
    79,543/173,079 = 173,079/x
  3. Step 3: Cross multiply
    79,543x = 173,079 × 173,079
  4. Step 4: Simplify right side
    79,543x = 29,956,340,241
  5. Step 5: Solve for x
    x = 29,956,340,241/79,543
  6. Step 6: Final answer
    x = 376,605.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.