Finding the Third Proportional to 163,387.13 and 356,344.31
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Solution
The third proportional to 163,387.13 and 356,344.31 is: 777,180.39
Step by Step Solution
- Step 1: Write the proportion equation
163,387.13 : 356,344.31 = 356,344.31 : x - Step 2: Convert to fraction form
163,387.13/356,344.31 = 356,344.31/x - Step 3: Cross multiply
163,387.13x = 356,344.31 × 356,344.31 - Step 4: Simplify right side
163,387.13x = 126,981,269,051.10 - Step 5: Solve for x
x = 126,981,269,051.10/163,387.13 - Step 6: Final answer
x = 777,180.39
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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.