Finding the Third Proportional to 77,589,995 and 129,311,257
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Solution
The third proportional to 77,589,995 and 129,311,257 is: 215,509,759.82
Step by Step Solution
- Step 1: Write the proportion equation
77,589,995 : 129,311,257 = 129,311,257 : x - Step 2: Convert to fraction form
77,589,995/129,311,257 = 129,311,257/x - Step 3: Cross multiply
77,589,995x = 129,311,257 × 129,311,257 - Step 4: Simplify right side
77,589,995x = 16,721,401,186,920,048 - Step 5: Solve for x
x = 16,721,401,186,920,048/77,589,995 - Step 6: Final answer
x = 215,509,759.82
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Why These Related Problems?
These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.