Finding the Third Proportional to 7,420,782 and 11,351,863
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Solution
The third proportional to 7,420,782 and 11,351,863 is: 17,365,392.70
Step by Step Solution
- Step 1: Write the proportion equation
7,420,782 : 11,351,863 = 11,351,863 : x - Step 2: Convert to fraction form
7,420,782/11,351,863 = 11,351,863/x - Step 3: Cross multiply
7,420,782x = 11,351,863 × 11,351,863 - Step 4: Simplify right side
7,420,782x = 128,864,793,570,769 - Step 5: Solve for x
x = 128,864,793,570,769/7,420,782 - Step 6: Final answer
x = 17,365,392.70
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.