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Finding the Third Proportional to 303,568.50 and 660,645

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Solution

The third proportional to 303,568.50 and 660,645 is: 1,437,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,568.50 : 660,645 = 660,645 : x
  2. Step 2: Convert to fraction form
    303,568.50/660,645 = 660,645/x
  3. Step 3: Cross multiply
    303,568.50x = 660,645 × 660,645
  4. Step 4: Simplify right side
    303,568.50x = 436,451,816,025
  5. Step 5: Solve for x
    x = 436,451,816,025/303,568.50
  6. Step 6: Final answer
    x = 1,437,737.50

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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.