Finding the Third Proportional to 392,317.75 and 606,220.75
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Solution
The third proportional to 392,317.75 and 606,220.75 is: 936,749.86
Step by Step Solution
- Step 1: Write the proportion equation
392,317.75 : 606,220.75 = 606,220.75 : x - Step 2: Convert to fraction form
392,317.75/606,220.75 = 606,220.75/x - Step 3: Cross multiply
392,317.75x = 606,220.75 × 606,220.75 - Step 4: Simplify right side
392,317.75x = 367,503,597,730.56 - Step 5: Solve for x
x = 367,503,597,730.56/392,317.75 - Step 6: Final answer
x = 936,749.86
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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.