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Finding the Third Proportional to 891,343,219.78 and 1,954,873,323.56

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Solution

The third proportional to 891,343,219.78 and 1,954,873,323.56 is: 4,287,382,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,343,219.78 : 1,954,873,323.56 = 1,954,873,323.56 : x
  2. Step 2: Convert to fraction form
    891,343,219.78/1,954,873,323.56 = 1,954,873,323.56/x
  3. Step 3: Cross multiply
    891,343,219.78x = 1,954,873,323.56 × 1,954,873,323.56
  4. Step 4: Simplify right side
    891,343,219.78x = 3,821,529,711,176,294,912
  5. Step 5: Solve for x
    x = 3,821,529,711,176,294,912/891,343,219.78
  6. Step 6: Final answer
    x = 4,287,382,936.64

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