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Finding the Third Proportional to 5,431,849 and 11,797,870

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Solution

The third proportional to 5,431,849 and 11,797,870 is: 25,624,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,849 : 11,797,870 = 11,797,870 : x
  2. Step 2: Convert to fraction form
    5,431,849/11,797,870 = 11,797,870/x
  3. Step 3: Cross multiply
    5,431,849x = 11,797,870 × 11,797,870
  4. Step 4: Simplify right side
    5,431,849x = 139,189,736,536,900
  5. Step 5: Solve for x
    x = 139,189,736,536,900/5,431,849
  6. Step 6: Final answer
    x = 25,624,743.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.