Finding the Third Proportional to 77,977.13 and 125,578.69
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Solution
The third proportional to 77,977.13 and 125,578.69 is: 202,238.88
Step by Step Solution
- Step 1: Write the proportion equation
77,977.13 : 125,578.69 = 125,578.69 : x - Step 2: Convert to fraction form
77,977.13/125,578.69 = 125,578.69/x - Step 3: Cross multiply
77,977.13x = 125,578.69 × 125,578.69 - Step 4: Simplify right side
77,977.13x = 15,770,006,754.22 - Step 5: Solve for x
x = 15,770,006,754.22/77,977.13 - Step 6: Final answer
x = 202,238.88
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.