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Finding the Third Proportional to 225,416.50 and 337,418

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Solution

The third proportional to 225,416.50 and 337,418 is: 505,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,416.50 : 337,418 = 337,418 : x
  2. Step 2: Convert to fraction form
    225,416.50/337,418 = 337,418/x
  3. Step 3: Cross multiply
    225,416.50x = 337,418 × 337,418
  4. Step 4: Simplify right side
    225,416.50x = 113,850,906,724
  5. Step 5: Solve for x
    x = 113,850,906,724/225,416.50
  6. Step 6: Final answer
    x = 505,069.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.