Finding the Third Proportional to 196,920 and 431,961
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Solution
The third proportional to 196,920 and 431,961 is: 947,543.70
Step by Step Solution
- Step 1: Write the proportion equation
196,920 : 431,961 = 431,961 : x - Step 2: Convert to fraction form
196,920/431,961 = 431,961/x - Step 3: Cross multiply
196,920x = 431,961 × 431,961 - Step 4: Simplify right side
196,920x = 186,590,305,521 - Step 5: Solve for x
x = 186,590,305,521/196,920 - Step 6: Final answer
x = 947,543.70
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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.