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Finding the Third Proportional to 334,379 and 518,336

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Solution

The third proportional to 334,379 and 518,336 is: 803,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,379 : 518,336 = 518,336 : x
  2. Step 2: Convert to fraction form
    334,379/518,336 = 518,336/x
  3. Step 3: Cross multiply
    334,379x = 518,336 × 518,336
  4. Step 4: Simplify right side
    334,379x = 268,672,208,896
  5. Step 5: Solve for x
    x = 268,672,208,896/334,379
  6. Step 6: Final answer
    x = 803,496.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.