Finding the Third Proportional to 231,680.25 and 358,161.75
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Solution
The third proportional to 231,680.25 and 358,161.75 is: 553,693.46
Step by Step Solution
- Step 1: Write the proportion equation
231,680.25 : 358,161.75 = 358,161.75 : x - Step 2: Convert to fraction form
231,680.25/358,161.75 = 358,161.75/x - Step 3: Cross multiply
231,680.25x = 358,161.75 × 358,161.75 - Step 4: Simplify right side
231,680.25x = 128,279,839,163.06 - Step 5: Solve for x
x = 128,279,839,163.06/231,680.25 - Step 6: Final answer
x = 553,693.46
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.