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Finding the Third Proportional to 1,270,705 and 2,790,242

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Solution

The third proportional to 1,270,705 and 2,790,242 is: 6,126,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,705 : 2,790,242 = 2,790,242 : x
  2. Step 2: Convert to fraction form
    1,270,705/2,790,242 = 2,790,242/x
  3. Step 3: Cross multiply
    1,270,705x = 2,790,242 × 2,790,242
  4. Step 4: Simplify right side
    1,270,705x = 7,785,450,418,564
  5. Step 5: Solve for x
    x = 7,785,450,418,564/1,270,705
  6. Step 6: Final answer
    x = 6,126,874.78

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