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Finding the Third Proportional to 180,418.50 and 274,883.25

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Solution

The third proportional to 180,418.50 and 274,883.25 is: 418,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,418.50 : 274,883.25 = 274,883.25 : x
  2. Step 2: Convert to fraction form
    180,418.50/274,883.25 = 274,883.25/x
  3. Step 3: Cross multiply
    180,418.50x = 274,883.25 × 274,883.25
  4. Step 4: Simplify right side
    180,418.50x = 75,560,801,130.56
  5. Step 5: Solve for x
    x = 75,560,801,130.56/180,418.50
  6. Step 6: Final answer
    x = 418,808.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.