Finding the Third Proportional to 7,136,511 and 11,490,872
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Solution
The third proportional to 7,136,511 and 11,490,872 is: 18,502,057.84
Step by Step Solution
- Step 1: Write the proportion equation
7,136,511 : 11,490,872 = 11,490,872 : x - Step 2: Convert to fraction form
7,136,511/11,490,872 = 11,490,872/x - Step 3: Cross multiply
7,136,511x = 11,490,872 × 11,490,872 - Step 4: Simplify right side
7,136,511x = 132,040,139,320,384 - Step 5: Solve for x
x = 132,040,139,320,384/7,136,511 - Step 6: Final answer
x = 18,502,057.84
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.