Finding the Third Proportional to 392,309.75 and 606,208.75
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Solution
The third proportional to 392,309.75 and 606,208.75 is: 936,731.88
Step by Step Solution
- Step 1: Write the proportion equation
392,309.75 : 606,208.75 = 606,208.75 : x - Step 2: Convert to fraction form
392,309.75/606,208.75 = 606,208.75/x - Step 3: Cross multiply
392,309.75x = 606,208.75 × 606,208.75 - Step 4: Simplify right side
392,309.75x = 367,489,048,576.56 - Step 5: Solve for x
x = 367,489,048,576.56/392,309.75 - Step 6: Final answer
x = 936,731.88
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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.