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Finding the Third Proportional to 79,329 and 173,127.75

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Solution

The third proportional to 79,329 and 173,127.75 is: 377,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329 : 173,127.75 = 173,127.75 : x
  2. Step 2: Convert to fraction form
    79,329/173,127.75 = 173,127.75/x
  3. Step 3: Cross multiply
    79,329x = 173,127.75 × 173,127.75
  4. Step 4: Simplify right side
    79,329x = 29,973,217,820.06
  5. Step 5: Solve for x
    x = 29,973,217,820.06/79,329
  6. Step 6: Final answer
    x = 377,834.31

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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.