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Finding the Third Proportional to 351,072.75 and 756,220.88

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Solution

The third proportional to 351,072.75 and 756,220.88 is: 1,628,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,072.75 : 756,220.88 = 756,220.88 : x
  2. Step 2: Convert to fraction form
    351,072.75/756,220.88 = 756,220.88/x
  3. Step 3: Cross multiply
    351,072.75x = 756,220.88 × 756,220.88
  4. Step 4: Simplify right side
    351,072.75x = 571,870,011,785.77
  5. Step 5: Solve for x
    x = 571,870,011,785.77/351,072.75
  6. Step 6: Final answer
    x = 1,628,921.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.