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Finding the Third Proportional to 416,022 and 811,308

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Solution

The third proportional to 416,022 and 811,308 is: 1,582,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,022 : 811,308 = 811,308 : x
  2. Step 2: Convert to fraction form
    416,022/811,308 = 811,308/x
  3. Step 3: Cross multiply
    416,022x = 811,308 × 811,308
  4. Step 4: Simplify right side
    416,022x = 658,220,670,864
  5. Step 5: Solve for x
    x = 658,220,670,864/416,022
  6. Step 6: Final answer
    x = 1,582,177.56

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.