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Finding the Third Proportional to 214,942.50 and 455,487.75

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Solution

The third proportional to 214,942.50 and 455,487.75 is: 965,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,942.50 : 455,487.75 = 455,487.75 : x
  2. Step 2: Convert to fraction form
    214,942.50/455,487.75 = 455,487.75/x
  3. Step 3: Cross multiply
    214,942.50x = 455,487.75 × 455,487.75
  4. Step 4: Simplify right side
    214,942.50x = 207,469,090,400.06
  5. Step 5: Solve for x
    x = 207,469,090,400.06/214,942.50
  6. Step 6: Final answer
    x = 965,230.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.