Finding the Third Proportional to 81,775,939.50 and 175,538,643.75
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Solution
The third proportional to 81,775,939.50 and 175,538,643.75 is: 376,807,843.95
Step by Step Solution
- Step 1: Write the proportion equation
81,775,939.50 : 175,538,643.75 = 175,538,643.75 : x - Step 2: Convert to fraction form
81,775,939.50/175,538,643.75 = 175,538,643.75/x - Step 3: Cross multiply
81,775,939.50x = 175,538,643.75 × 175,538,643.75 - Step 4: Simplify right side
81,775,939.50x = 30,813,815,449,589,416 - Step 5: Solve for x
x = 30,813,815,449,589,416/81,775,939.50 - Step 6: Final answer
x = 376,807,843.95
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.