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Finding the Third Proportional to 204,938.50 and 313,627

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Solution

The third proportional to 204,938.50 and 313,627 is: 479,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,938.50 : 313,627 = 313,627 : x
  2. Step 2: Convert to fraction form
    204,938.50/313,627 = 313,627/x
  3. Step 3: Cross multiply
    204,938.50x = 313,627 × 313,627
  4. Step 4: Simplify right side
    204,938.50x = 98,361,895,129
  5. Step 5: Solve for x
    x = 98,361,895,129/204,938.50
  6. Step 6: Final answer
    x = 479,958.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.