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Finding the Third Proportional to 137,859.75 and 303,655

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Solution

The third proportional to 137,859.75 and 303,655 is: 668,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,859.75 : 303,655 = 303,655 : x
  2. Step 2: Convert to fraction form
    137,859.75/303,655 = 303,655/x
  3. Step 3: Cross multiply
    137,859.75x = 303,655 × 303,655
  4. Step 4: Simplify right side
    137,859.75x = 92,206,359,025
  5. Step 5: Solve for x
    x = 92,206,359,025/137,859.75
  6. Step 6: Final answer
    x = 668,841.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.