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Finding the Third Proportional to 147,811.50 and 225,408.75

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Solution

The third proportional to 147,811.50 and 225,408.75 is: 343,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,811.50 : 225,408.75 = 225,408.75 : x
  2. Step 2: Convert to fraction form
    147,811.50/225,408.75 = 225,408.75/x
  3. Step 3: Cross multiply
    147,811.50x = 225,408.75 × 225,408.75
  4. Step 4: Simplify right side
    147,811.50x = 50,809,104,576.56
  5. Step 5: Solve for x
    x = 50,809,104,576.56/147,811.50
  6. Step 6: Final answer
    x = 343,742.57

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.