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Finding the Third Proportional to 1,241,819 and 1,821,831

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Solution

The third proportional to 1,241,819 and 1,821,831 is: 2,672,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,819 : 1,821,831 = 1,821,831 : x
  2. Step 2: Convert to fraction form
    1,241,819/1,821,831 = 1,821,831/x
  3. Step 3: Cross multiply
    1,241,819x = 1,821,831 × 1,821,831
  4. Step 4: Simplify right side
    1,241,819x = 3,319,068,192,561
  5. Step 5: Solve for x
    x = 3,319,068,192,561/1,241,819
  6. Step 6: Final answer
    x = 2,672,747.15

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.