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Finding the Third Proportional to 629,264 and 996,880

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Solution

The third proportional to 629,264 and 996,880 is: 1,579,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,264 : 996,880 = 996,880 : x
  2. Step 2: Convert to fraction form
    629,264/996,880 = 996,880/x
  3. Step 3: Cross multiply
    629,264x = 996,880 × 996,880
  4. Step 4: Simplify right side
    629,264x = 993,769,734,400
  5. Step 5: Solve for x
    x = 993,769,734,400/629,264
  6. Step 6: Final answer
    x = 1,579,257.25

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.