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Finding the Third Proportional to 855,453,067,570 and 1,835,089,125,610.50

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Solution

The third proportional to 855,453,067,570 and 1,835,089,125,610.50 is: 3,936,571,422,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,453,067,570 : 1,835,089,125,610.50 = 1,835,089,125,610.50 : x
  2. Step 2: Convert to fraction form
    855,453,067,570/1,835,089,125,610.50 = 1,835,089,125,610.50/x
  3. Step 3: Cross multiply
    855,453,067,570x = 1,835,089,125,610.50 × 1,835,089,125,610.50
  4. Step 4: Simplify right side
    855,453,067,570x = 3,367,552,098,933,909,265,317,888
  5. Step 5: Solve for x
    x = 3,367,552,098,933,909,265,317,888/855,453,067,570
  6. Step 6: Final answer
    x = 3,936,571,422,322.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.