Finding the Third Proportional to 4,212.84 and 6,561.84
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Solution
The third proportional to 4,212.84 and 6,561.84 is: 10,220.60
Step by Step Solution
- Step 1: Write the proportion equation
4,212.84 : 6,561.84 = 6,561.84 : x - Step 2: Convert to fraction form
4,212.84/6,561.84 = 6,561.84/x - Step 3: Cross multiply
4,212.84x = 6,561.84 × 6,561.84 - Step 4: Simplify right side
4,212.84x = 43,057,793.40 - Step 5: Solve for x
x = 43,057,793.40/4,212.84 - Step 6: Final answer
x = 10,220.60
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.