Finding the Third Proportional to 7,120,519 and 11,032,611
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Solution
The third proportional to 7,120,519 and 11,032,611 is: 17,094,049.67
Step by Step Solution
- Step 1: Write the proportion equation
7,120,519 : 11,032,611 = 11,032,611 : x - Step 2: Convert to fraction form
7,120,519/11,032,611 = 11,032,611/x - Step 3: Cross multiply
7,120,519x = 11,032,611 × 11,032,611 - Step 4: Simplify right side
7,120,519x = 121,718,505,477,321 - Step 5: Solve for x
x = 121,718,505,477,321/7,120,519 - Step 6: Final answer
x = 17,094,049.67
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.