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Finding the Third Proportional to 79,326 and 173,121.75

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Solution

The third proportional to 79,326 and 173,121.75 is: 377,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,326 : 173,121.75 = 173,121.75 : x
  2. Step 2: Convert to fraction form
    79,326/173,121.75 = 173,121.75/x
  3. Step 3: Cross multiply
    79,326x = 173,121.75 × 173,121.75
  4. Step 4: Simplify right side
    79,326x = 29,971,140,323.06
  5. Step 5: Solve for x
    x = 29,971,140,323.06/79,326
  6. Step 6: Final answer
    x = 377,822.41

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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.