Finding the Third Proportional to 3,278,378 and 6,718,612
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Solution
The third proportional to 3,278,378 and 6,718,612 is: 13,768,926.95
Step by Step Solution
- Step 1: Write the proportion equation
3,278,378 : 6,718,612 = 6,718,612 : x - Step 2: Convert to fraction form
3,278,378/6,718,612 = 6,718,612/x - Step 3: Cross multiply
3,278,378x = 6,718,612 × 6,718,612 - Step 4: Simplify right side
3,278,378x = 45,139,747,206,544 - Step 5: Solve for x
x = 45,139,747,206,544/3,278,378 - Step 6: Final answer
x = 13,768,926.95
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.