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Finding the Third Proportional to 228,919.50 and 336,759.75

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Solution

The third proportional to 228,919.50 and 336,759.75 is: 495,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,919.50 : 336,759.75 = 336,759.75 : x
  2. Step 2: Convert to fraction form
    228,919.50/336,759.75 = 336,759.75/x
  3. Step 3: Cross multiply
    228,919.50x = 336,759.75 × 336,759.75
  4. Step 4: Simplify right side
    228,919.50x = 113,407,129,220.06
  5. Step 5: Solve for x
    x = 113,407,129,220.06/228,919.50
  6. Step 6: Final answer
    x = 495,401.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.