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Finding the Third Proportional to 5,431,853 and 11,797,878

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Solution

The third proportional to 5,431,853 and 11,797,878 is: 25,624,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,853 : 11,797,878 = 11,797,878 : x
  2. Step 2: Convert to fraction form
    5,431,853/11,797,878 = 11,797,878/x
  3. Step 3: Cross multiply
    5,431,853x = 11,797,878 × 11,797,878
  4. Step 4: Simplify right side
    5,431,853x = 139,189,925,302,884
  5. Step 5: Solve for x
    x = 139,189,925,302,884/5,431,853
  6. Step 6: Final answer
    x = 25,624,759.23

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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.