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Finding the Third Proportional to 99,511.50 and 149,205.75

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Solution

The third proportional to 99,511.50 and 149,205.75 is: 223,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,511.50 : 149,205.75 = 149,205.75 : x
  2. Step 2: Convert to fraction form
    99,511.50/149,205.75 = 149,205.75/x
  3. Step 3: Cross multiply
    99,511.50x = 149,205.75 × 149,205.75
  4. Step 4: Simplify right side
    99,511.50x = 22,262,355,833.06
  5. Step 5: Solve for x
    x = 22,262,355,833.06/99,511.50
  6. Step 6: Final answer
    x = 223,716.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.