Finding the Third Proportional to 215,213.63 and 272,877.19
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Solution
The third proportional to 215,213.63 and 272,877.19 is: 345,990.92
Step by Step Solution
- Step 1: Write the proportion equation
215,213.63 : 272,877.19 = 272,877.19 : x - Step 2: Convert to fraction form
215,213.63/272,877.19 = 272,877.19/x - Step 3: Cross multiply
215,213.63x = 272,877.19 × 272,877.19 - Step 4: Simplify right side
215,213.63x = 74,461,959,457.91 - Step 5: Solve for x
x = 74,461,959,457.91/215,213.63 - Step 6: Final answer
x = 345,990.92
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Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.