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Finding the Third Proportional to 336,678 and 736,698

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Solution

The third proportional to 336,678 and 736,698 is: 1,611,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,678 : 736,698 = 736,698 : x
  2. Step 2: Convert to fraction form
    336,678/736,698 = 736,698/x
  3. Step 3: Cross multiply
    336,678x = 736,698 × 736,698
  4. Step 4: Simplify right side
    336,678x = 542,723,943,204
  5. Step 5: Solve for x
    x = 542,723,943,204/336,678
  6. Step 6: Final answer
    x = 1,611,997.05

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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.