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Finding the Third Proportional to 1,270,707 and 2,790,245

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Solution

The third proportional to 1,270,707 and 2,790,245 is: 6,126,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,707 : 2,790,245 = 2,790,245 : x
  2. Step 2: Convert to fraction form
    1,270,707/2,790,245 = 2,790,245/x
  3. Step 3: Cross multiply
    1,270,707x = 2,790,245 × 2,790,245
  4. Step 4: Simplify right side
    1,270,707x = 7,785,467,160,025
  5. Step 5: Solve for x
    x = 7,785,467,160,025/1,270,707
  6. Step 6: Final answer
    x = 6,126,878.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.