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Finding the Third Proportional to 12,926,198 and 19,139,716

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Solution

The third proportional to 12,926,198 and 19,139,716 is: 28,340,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,198 : 19,139,716 = 19,139,716 : x
  2. Step 2: Convert to fraction form
    12,926,198/19,139,716 = 19,139,716/x
  3. Step 3: Cross multiply
    12,926,198x = 19,139,716 × 19,139,716
  4. Step 4: Simplify right side
    12,926,198x = 366,328,728,560,656
  5. Step 5: Solve for x
    x = 366,328,728,560,656/12,926,198
  6. Step 6: Final answer
    x = 28,340,021.45

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.