Finding the Third Proportional to 87,021 and 190,842.75
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Solution
The third proportional to 87,021 and 190,842.75 is: 418,530.64
Step by Step Solution
- Step 1: Write the proportion equation
87,021 : 190,842.75 = 190,842.75 : x - Step 2: Convert to fraction form
87,021/190,842.75 = 190,842.75/x - Step 3: Cross multiply
87,021x = 190,842.75 × 190,842.75 - Step 4: Simplify right side
87,021x = 36,420,955,227.56 - Step 5: Solve for x
x = 36,420,955,227.56/87,021 - Step 6: Final answer
x = 418,530.64
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.