Finding the Third Proportional to 190,491.75 and 415,428.75
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Solution
The third proportional to 190,491.75 and 415,428.75 is: 905,976.49
Step by Step Solution
- Step 1: Write the proportion equation
190,491.75 : 415,428.75 = 415,428.75 : x - Step 2: Convert to fraction form
190,491.75/415,428.75 = 415,428.75/x - Step 3: Cross multiply
190,491.75x = 415,428.75 × 415,428.75 - Step 4: Simplify right side
190,491.75x = 172,581,046,326.56 - Step 5: Solve for x
x = 172,581,046,326.56/190,491.75 - Step 6: Final answer
x = 905,976.49
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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.