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Finding the Third Proportional to 155,907 and 336,762

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Solution

The third proportional to 155,907 and 336,762 is: 727,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,907 : 336,762 = 336,762 : x
  2. Step 2: Convert to fraction form
    155,907/336,762 = 336,762/x
  3. Step 3: Cross multiply
    155,907x = 336,762 × 336,762
  4. Step 4: Simplify right side
    155,907x = 113,408,644,644
  5. Step 5: Solve for x
    x = 113,408,644,644/155,907
  6. Step 6: Final answer
    x = 727,412.14

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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.