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Finding the Third Proportional to 303,706.81 and 664,617.34

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Solution

The third proportional to 303,706.81 and 664,617.34 is: 1,454,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,706.81 : 664,617.34 = 664,617.34 : x
  2. Step 2: Convert to fraction form
    303,706.81/664,617.34 = 664,617.34/x
  3. Step 3: Cross multiply
    303,706.81x = 664,617.34 × 664,617.34
  4. Step 4: Simplify right side
    303,706.81x = 441,716,208,420.98
  5. Step 5: Solve for x
    x = 441,716,208,420.98/303,706.81
  6. Step 6: Final answer
    x = 1,454,416.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.