Finding the Third Proportional to 213,213.52 and 459,642.09
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Solution
The third proportional to 213,213.52 and 459,642.09 is: 990,888.66
Step by Step Solution
- Step 1: Write the proportion equation
213,213.52 : 459,642.09 = 459,642.09 : x - Step 2: Convert to fraction form
213,213.52/459,642.09 = 459,642.09/x - Step 3: Cross multiply
213,213.52x = 459,642.09 × 459,642.09 - Step 4: Simplify right side
213,213.52x = 211,270,854,346.88 - Step 5: Solve for x
x = 211,270,854,346.88/213,213.52 - Step 6: Final answer
x = 990,888.66
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.