Finding the Third Proportional to 77,589,991.13 and 129,311,250.19
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Solution
The third proportional to 77,589,991.13 and 129,311,250.19 is: 215,509,747.88
Step by Step Solution
- Step 1: Write the proportion equation
77,589,991.13 : 129,311,250.19 = 129,311,250.19 : x - Step 2: Convert to fraction form
77,589,991.13/129,311,250.19 = 129,311,250.19/x - Step 3: Cross multiply
77,589,991.13x = 129,311,250.19 × 129,311,250.19 - Step 4: Simplify right side
77,589,991.13x = 16,721,399,425,054,218 - Step 5: Solve for x
x = 16,721,399,425,054,218/77,589,991.13 - Step 6: Final answer
x = 215,509,747.88
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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.