Finding the Third Proportional to 191,919 and 405,982
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Solution
The third proportional to 191,919 and 405,982 is: 858,807.02
Step by Step Solution
- Step 1: Write the proportion equation
191,919 : 405,982 = 405,982 : x - Step 2: Convert to fraction form
191,919/405,982 = 405,982/x - Step 3: Cross multiply
191,919x = 405,982 × 405,982 - Step 4: Simplify right side
191,919x = 164,821,384,324 - Step 5: Solve for x
x = 164,821,384,324/191,919 - Step 6: Final answer
x = 858,807.02
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.