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Finding the Third Proportional to 313,510.50 and 477,600.75

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Solution

The third proportional to 313,510.50 and 477,600.75 is: 727,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,510.50 : 477,600.75 = 477,600.75 : x
  2. Step 2: Convert to fraction form
    313,510.50/477,600.75 = 477,600.75/x
  3. Step 3: Cross multiply
    313,510.50x = 477,600.75 × 477,600.75
  4. Step 4: Simplify right side
    313,510.50x = 228,102,476,400.56
  5. Step 5: Solve for x
    x = 228,102,476,400.56/313,510.50
  6. Step 6: Final answer
    x = 727,575.24

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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.