Finding the Third Proportional to 190,770.19 and 418,992.75
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Solution
The third proportional to 190,770.19 and 418,992.75 is: 920,242.97
Step by Step Solution
- Step 1: Write the proportion equation
190,770.19 : 418,992.75 = 418,992.75 : x - Step 2: Convert to fraction form
190,770.19/418,992.75 = 418,992.75/x - Step 3: Cross multiply
190,770.19x = 418,992.75 × 418,992.75 - Step 4: Simplify right side
190,770.19x = 175,554,924,552.56 - Step 5: Solve for x
x = 175,554,924,552.56/190,770.19 - Step 6: Final answer
x = 920,242.97
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.