Finding the Third Proportional to 11,421,816 and 15,662,400
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Solution
The third proportional to 11,421,816 and 15,662,400 is: 21,477,387.99
Step by Step Solution
- Step 1: Write the proportion equation
11,421,816 : 15,662,400 = 15,662,400 : x - Step 2: Convert to fraction form
11,421,816/15,662,400 = 15,662,400/x - Step 3: Cross multiply
11,421,816x = 15,662,400 × 15,662,400 - Step 4: Simplify right side
11,421,816x = 245,310,773,760,000 - Step 5: Solve for x
x = 245,310,773,760,000/11,421,816 - Step 6: Final answer
x = 21,477,387.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.