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Finding the Third Proportional to 8,364,149 and 12,786,626

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Solution

The third proportional to 8,364,149 and 12,786,626 is: 19,547,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364,149 : 12,786,626 = 12,786,626 : x
  2. Step 2: Convert to fraction form
    8,364,149/12,786,626 = 12,786,626/x
  3. Step 3: Cross multiply
    8,364,149x = 12,786,626 × 12,786,626
  4. Step 4: Simplify right side
    8,364,149x = 163,497,804,463,876
  5. Step 5: Solve for x
    x = 163,497,804,463,876/8,364,149
  6. Step 6: Final answer
    x = 19,547,452.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.