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Finding the Third Proportional to 561,794 and 1,228,690

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Solution

The third proportional to 561,794 and 1,228,690 is: 2,687,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,794 : 1,228,690 = 1,228,690 : x
  2. Step 2: Convert to fraction form
    561,794/1,228,690 = 1,228,690/x
  3. Step 3: Cross multiply
    561,794x = 1,228,690 × 1,228,690
  4. Step 4: Simplify right side
    561,794x = 1,509,679,116,100
  5. Step 5: Solve for x
    x = 1,509,679,116,100/561,794
  6. Step 6: Final answer
    x = 2,687,246.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.