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Finding the Third Proportional to 787,800 and 1,222,162

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Solution

The third proportional to 787,800 and 1,222,162 is: 1,896,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,800 : 1,222,162 = 1,222,162 : x
  2. Step 2: Convert to fraction form
    787,800/1,222,162 = 1,222,162/x
  3. Step 3: Cross multiply
    787,800x = 1,222,162 × 1,222,162
  4. Step 4: Simplify right side
    787,800x = 1,493,679,954,244
  5. Step 5: Solve for x
    x = 1,493,679,954,244/787,800
  6. Step 6: Final answer
    x = 1,896,014.16

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.