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Finding the Third Proportional to 555,873 and 1,212,114

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Solution

The third proportional to 555,873 and 1,212,114 is: 2,643,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,873 : 1,212,114 = 1,212,114 : x
  2. Step 2: Convert to fraction form
    555,873/1,212,114 = 1,212,114/x
  3. Step 3: Cross multiply
    555,873x = 1,212,114 × 1,212,114
  4. Step 4: Simplify right side
    555,873x = 1,469,220,348,996
  5. Step 5: Solve for x
    x = 1,469,220,348,996/555,873
  6. Step 6: Final answer
    x = 2,643,086.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.