Finding the Third Proportional to 7,065,972 and 11,207,187
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Solution
The third proportional to 7,065,972 and 11,207,187 is: 17,775,479.50
Step by Step Solution
- Step 1: Write the proportion equation
7,065,972 : 11,207,187 = 11,207,187 : x - Step 2: Convert to fraction form
7,065,972/11,207,187 = 11,207,187/x - Step 3: Cross multiply
7,065,972x = 11,207,187 × 11,207,187 - Step 4: Simplify right side
7,065,972x = 125,601,040,452,969 - Step 5: Solve for x
x = 125,601,040,452,969/7,065,972 - Step 6: Final answer
x = 17,775,479.50
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.