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Finding the Third Proportional to 2,979,945 and 6,436,197

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Solution

The third proportional to 2,979,945 and 6,436,197 is: 13,901,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,945 : 6,436,197 = 6,436,197 : x
  2. Step 2: Convert to fraction form
    2,979,945/6,436,197 = 6,436,197/x
  3. Step 3: Cross multiply
    2,979,945x = 6,436,197 × 6,436,197
  4. Step 4: Simplify right side
    2,979,945x = 41,424,631,822,809
  5. Step 5: Solve for x
    x = 41,424,631,822,809/2,979,945
  6. Step 6: Final answer
    x = 13,901,139.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.