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Finding the Third Proportional to 224,415 and 336,609

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Solution

The third proportional to 224,415 and 336,609 is: 504,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,415 : 336,609 = 336,609 : x
  2. Step 2: Convert to fraction form
    224,415/336,609 = 336,609/x
  3. Step 3: Cross multiply
    224,415x = 336,609 × 336,609
  4. Step 4: Simplify right side
    224,415x = 113,305,618,881
  5. Step 5: Solve for x
    x = 113,305,618,881/224,415
  6. Step 6: Final answer
    x = 504,893.25

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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.