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Finding the Third Proportional to 1,200,446 and 2,600,188

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Solution

The third proportional to 1,200,446 and 2,600,188 is: 5,632,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,446 : 2,600,188 = 2,600,188 : x
  2. Step 2: Convert to fraction form
    1,200,446/2,600,188 = 2,600,188/x
  3. Step 3: Cross multiply
    1,200,446x = 2,600,188 × 2,600,188
  4. Step 4: Simplify right side
    1,200,446x = 6,760,977,635,344
  5. Step 5: Solve for x
    x = 6,760,977,635,344/1,200,446
  6. Step 6: Final answer
    x = 5,632,054.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.