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Finding the Third Proportional to 155,993 and 336,893

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Solution

The third proportional to 155,993 and 336,893 is: 727,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,993 : 336,893 = 336,893 : x
  2. Step 2: Convert to fraction form
    155,993/336,893 = 336,893/x
  3. Step 3: Cross multiply
    155,993x = 336,893 × 336,893
  4. Step 4: Simplify right side
    155,993x = 113,496,893,449
  5. Step 5: Solve for x
    x = 113,496,893,449/155,993
  6. Step 6: Final answer
    x = 727,576.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.