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Finding the Third Proportional to 512,646 and 1,101,180

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Solution

The third proportional to 512,646 and 1,101,180 is: 2,365,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,646 : 1,101,180 = 1,101,180 : x
  2. Step 2: Convert to fraction form
    512,646/1,101,180 = 1,101,180/x
  3. Step 3: Cross multiply
    512,646x = 1,101,180 × 1,101,180
  4. Step 4: Simplify right side
    512,646x = 1,212,597,392,400
  5. Step 5: Solve for x
    x = 1,212,597,392,400/512,646
  6. Step 6: Final answer
    x = 2,365,369.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.