Finding the Third Proportional to 4,458 and 7,779
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Solution
The third proportional to 4,458 and 7,779 is: 13,573.99
Step by Step Solution
- Step 1: Write the proportion equation
4,458 : 7,779 = 7,779 : x - Step 2: Convert to fraction form
4,458/7,779 = 7,779/x - Step 3: Cross multiply
4,458x = 7,779 × 7,779 - Step 4: Simplify right side
4,458x = 60,512,841 - Step 5: Solve for x
x = 60,512,841/4,458 - Step 6: Final answer
x = 13,573.99
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These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.