Finding the Third Proportional to 125,223.75 and 278,439.75
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Solution
The third proportional to 125,223.75 and 278,439.75 is: 619,121.33
Step by Step Solution
- Step 1: Write the proportion equation
125,223.75 : 278,439.75 = 278,439.75 : x - Step 2: Convert to fraction form
125,223.75/278,439.75 = 278,439.75/x - Step 3: Cross multiply
125,223.75x = 278,439.75 × 278,439.75 - Step 4: Simplify right side
125,223.75x = 77,528,694,380.06 - Step 5: Solve for x
x = 77,528,694,380.06/125,223.75 - Step 6: Final answer
x = 619,121.33
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.