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Finding the Third Proportional to 1,233,247 and 2,690,009

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Solution

The third proportional to 1,233,247 and 2,690,009 is: 5,867,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,247 : 2,690,009 = 2,690,009 : x
  2. Step 2: Convert to fraction form
    1,233,247/2,690,009 = 2,690,009/x
  3. Step 3: Cross multiply
    1,233,247x = 2,690,009 × 2,690,009
  4. Step 4: Simplify right side
    1,233,247x = 7,236,148,420,081
  5. Step 5: Solve for x
    x = 7,236,148,420,081/1,233,247
  6. Step 6: Final answer
    x = 5,867,558.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.