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Finding the Third Proportional to 179,226 and 389,880

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Solution

The third proportional to 179,226 and 389,880 is: 848,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,226 : 389,880 = 389,880 : x
  2. Step 2: Convert to fraction form
    179,226/389,880 = 389,880/x
  3. Step 3: Cross multiply
    179,226x = 389,880 × 389,880
  4. Step 4: Simplify right side
    179,226x = 152,006,414,400
  5. Step 5: Solve for x
    x = 152,006,414,400/179,226
  6. Step 6: Final answer
    x = 848,127.03

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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.