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Finding the Third Proportional to 1,214,958 and 2,812,647

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Solution

The third proportional to 1,214,958 and 2,812,647 is: 6,511,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,958 : 2,812,647 = 2,812,647 : x
  2. Step 2: Convert to fraction form
    1,214,958/2,812,647 = 2,812,647/x
  3. Step 3: Cross multiply
    1,214,958x = 2,812,647 × 2,812,647
  4. Step 4: Simplify right side
    1,214,958x = 7,910,983,146,609
  5. Step 5: Solve for x
    x = 7,910,983,146,609/1,214,958
  6. Step 6: Final answer
    x = 6,511,322.32

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.