Finding the Third Proportional to 190,984 and 418,698
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Solution
The third proportional to 190,984 and 418,698 is: 917,919.91
Step by Step Solution
- Step 1: Write the proportion equation
190,984 : 418,698 = 418,698 : x - Step 2: Convert to fraction form
190,984/418,698 = 418,698/x - Step 3: Cross multiply
190,984x = 418,698 × 418,698 - Step 4: Simplify right side
190,984x = 175,308,015,204 - Step 5: Solve for x
x = 175,308,015,204/190,984 - Step 6: Final answer
x = 917,919.91
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.