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Finding the Third Proportional to 1,018,510.75 and 2,120,697

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Solution

The third proportional to 1,018,510.75 and 2,120,697 is: 4,415,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,510.75 : 2,120,697 = 2,120,697 : x
  2. Step 2: Convert to fraction form
    1,018,510.75/2,120,697 = 2,120,697/x
  3. Step 3: Cross multiply
    1,018,510.75x = 2,120,697 × 2,120,697
  4. Step 4: Simplify right side
    1,018,510.75x = 4,497,355,765,809
  5. Step 5: Solve for x
    x = 4,497,355,765,809/1,018,510.75
  6. Step 6: Final answer
    x = 4,415,619.34

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.