Finding the Third Proportional to 8,129,517 and 11,888,939
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Solution
The third proportional to 8,129,517 and 11,888,939 is: 17,386,871.88
Step by Step Solution
- Step 1: Write the proportion equation
8,129,517 : 11,888,939 = 11,888,939 : x - Step 2: Convert to fraction form
8,129,517/11,888,939 = 11,888,939/x - Step 3: Cross multiply
8,129,517x = 11,888,939 × 11,888,939 - Step 4: Simplify right side
8,129,517x = 141,346,870,545,721 - Step 5: Solve for x
x = 141,346,870,545,721/8,129,517 - Step 6: Final answer
x = 17,386,871.88
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.