Finding the Third Proportional to 3,178,340 and 6,898,497
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Solution
The third proportional to 3,178,340 and 6,898,497 is: 14,972,992.46
Step by Step Solution
- Step 1: Write the proportion equation
3,178,340 : 6,898,497 = 6,898,497 : x - Step 2: Convert to fraction form
3,178,340/6,898,497 = 6,898,497/x - Step 3: Cross multiply
3,178,340x = 6,898,497 × 6,898,497 - Step 4: Simplify right side
3,178,340x = 47,589,260,859,009 - Step 5: Solve for x
x = 47,589,260,859,009/3,178,340 - Step 6: Final answer
x = 14,972,992.46
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.