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Finding the Third Proportional to 79,950 and 173,724

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Solution

The third proportional to 79,950 and 173,724 is: 377,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950 : 173,724 = 173,724 : x
  2. Step 2: Convert to fraction form
    79,950/173,724 = 173,724/x
  3. Step 3: Cross multiply
    79,950x = 173,724 × 173,724
  4. Step 4: Simplify right side
    79,950x = 30,180,028,176
  5. Step 5: Solve for x
    x = 30,180,028,176/79,950
  6. Step 6: Final answer
    x = 377,486.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.