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Finding the Third Proportional to 79,551 and 173,121

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Solution

The third proportional to 79,551 and 173,121 is: 376,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,551 : 173,121 = 173,121 : x
  2. Step 2: Convert to fraction form
    79,551/173,121 = 173,121/x
  3. Step 3: Cross multiply
    79,551x = 173,121 × 173,121
  4. Step 4: Simplify right side
    79,551x = 29,970,880,641
  5. Step 5: Solve for x
    x = 29,970,880,641/79,551
  6. Step 6: Final answer
    x = 376,750.52

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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.