Finding the Third Proportional to 322,220 and 497,910
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Solution
The third proportional to 322,220 and 497,910 is: 769,394.72
Step by Step Solution
- Step 1: Write the proportion equation
322,220 : 497,910 = 497,910 : x - Step 2: Convert to fraction form
322,220/497,910 = 497,910/x - Step 3: Cross multiply
322,220x = 497,910 × 497,910 - Step 4: Simplify right side
322,220x = 247,914,368,100 - Step 5: Solve for x
x = 247,914,368,100/322,220 - Step 6: Final answer
x = 769,394.72
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.