Finding the Third Proportional to 90,663.68 and 197,576.09
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Solution
The third proportional to 90,663.68 and 197,576.09 is: 430,561.72
Step by Step Solution
- Step 1: Write the proportion equation
90,663.68 : 197,576.09 = 197,576.09 : x - Step 2: Convert to fraction form
90,663.68/197,576.09 = 197,576.09/x - Step 3: Cross multiply
90,663.68x = 197,576.09 × 197,576.09 - Step 4: Simplify right side
90,663.68x = 39,036,309,734.38 - Step 5: Solve for x
x = 39,036,309,734.38/90,663.68 - Step 6: Final answer
x = 430,561.72
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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.