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Finding the Third Proportional to 104,019 and 212,967

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Solution

The third proportional to 104,019 and 212,967 is: 436,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,019 : 212,967 = 212,967 : x
  2. Step 2: Convert to fraction form
    104,019/212,967 = 212,967/x
  3. Step 3: Cross multiply
    104,019x = 212,967 × 212,967
  4. Step 4: Simplify right side
    104,019x = 45,354,943,089
  5. Step 5: Solve for x
    x = 45,354,943,089/104,019
  6. Step 6: Final answer
    x = 436,025.56

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.