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Finding the Third Proportional to 12,922,341 and 20,006,622

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Solution

The third proportional to 12,922,341 and 20,006,622 is: 30,974,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,341 : 20,006,622 = 20,006,622 : x
  2. Step 2: Convert to fraction form
    12,922,341/20,006,622 = 20,006,622/x
  3. Step 3: Cross multiply
    12,922,341x = 20,006,622 × 20,006,622
  4. Step 4: Simplify right side
    12,922,341x = 400,264,923,850,884
  5. Step 5: Solve for x
    x = 400,264,923,850,884/12,922,341
  6. Step 6: Final answer
    x = 30,974,644.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.