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Finding the Third Proportional to 515,526 and 1,131,917.25

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Solution

The third proportional to 515,526 and 1,131,917.25 is: 2,485,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,526 : 1,131,917.25 = 1,131,917.25 : x
  2. Step 2: Convert to fraction form
    515,526/1,131,917.25 = 1,131,917.25/x
  3. Step 3: Cross multiply
    515,526x = 1,131,917.25 × 1,131,917.25
  4. Step 4: Simplify right side
    515,526x = 1,281,236,660,847.56
  5. Step 5: Solve for x
    x = 1,281,236,660,847.56/515,526
  6. Step 6: Final answer
    x = 2,485,299.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.