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Finding the Third Proportional to 626,930 and 1,479,701

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Solution

The third proportional to 626,930 and 1,479,701 is: 3,492,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,930 : 1,479,701 = 1,479,701 : x
  2. Step 2: Convert to fraction form
    626,930/1,479,701 = 1,479,701/x
  3. Step 3: Cross multiply
    626,930x = 1,479,701 × 1,479,701
  4. Step 4: Simplify right side
    626,930x = 2,189,515,049,401
  5. Step 5: Solve for x
    x = 2,189,515,049,401/626,930
  6. Step 6: Final answer
    x = 3,492,439.43

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.