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Finding the Third Proportional to 414,726 and 909,804

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Solution

The third proportional to 414,726 and 909,804 is: 1,995,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,726 : 909,804 = 909,804 : x
  2. Step 2: Convert to fraction form
    414,726/909,804 = 909,804/x
  3. Step 3: Cross multiply
    414,726x = 909,804 × 909,804
  4. Step 4: Simplify right side
    414,726x = 827,743,318,416
  5. Step 5: Solve for x
    x = 827,743,318,416/414,726
  6. Step 6: Final answer
    x = 1,995,879.97

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Why These Related Problems?

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