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Finding the Third Proportional to 149,751 and 324,418.50

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Solution

The third proportional to 149,751 and 324,418.50 is: 702,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,751 : 324,418.50 = 324,418.50 : x
  2. Step 2: Convert to fraction form
    149,751/324,418.50 = 324,418.50/x
  3. Step 3: Cross multiply
    149,751x = 324,418.50 × 324,418.50
  4. Step 4: Simplify right side
    149,751x = 105,247,363,142.25
  5. Step 5: Solve for x
    x = 105,247,363,142.25/149,751
  6. Step 6: Final answer
    x = 702,815.76

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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.