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Finding the Third Proportional to 579,530 and 886,512

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Solution

The third proportional to 579,530 and 886,512 is: 1,356,104.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,530 : 886,512 = 886,512 : x
  2. Step 2: Convert to fraction form
    579,530/886,512 = 886,512/x
  3. Step 3: Cross multiply
    579,530x = 886,512 × 886,512
  4. Step 4: Simplify right side
    579,530x = 785,903,526,144
  5. Step 5: Solve for x
    x = 785,903,526,144/579,530
  6. Step 6: Final answer
    x = 1,356,104.99

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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.