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Finding the Third Proportional to 414,802 and 909,956

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Solution

The third proportional to 414,802 and 909,956 is: 1,996,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,802 : 909,956 = 909,956 : x
  2. Step 2: Convert to fraction form
    414,802/909,956 = 909,956/x
  3. Step 3: Cross multiply
    414,802x = 909,956 × 909,956
  4. Step 4: Simplify right side
    414,802x = 828,019,921,936
  5. Step 5: Solve for x
    x = 828,019,921,936/414,802
  6. Step 6: Final answer
    x = 1,996,181.12

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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.