Finding the Third Proportional to 100,772 and 219,686
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Solution
The third proportional to 100,772 and 219,686 is: 478,922.11
Step by Step Solution
- Step 1: Write the proportion equation
100,772 : 219,686 = 219,686 : x - Step 2: Convert to fraction form
100,772/219,686 = 219,686/x - Step 3: Cross multiply
100,772x = 219,686 × 219,686 - Step 4: Simplify right side
100,772x = 48,261,938,596 - Step 5: Solve for x
x = 48,261,938,596/100,772 - Step 6: Final answer
x = 478,922.11
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.