Finding the Third Proportional to 180,728.75 and 392,612.75
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Solution
The third proportional to 180,728.75 and 392,612.75 is: 852,906.75
Step by Step Solution
- Step 1: Write the proportion equation
180,728.75 : 392,612.75 = 392,612.75 : x - Step 2: Convert to fraction form
180,728.75/392,612.75 = 392,612.75/x - Step 3: Cross multiply
180,728.75x = 392,612.75 × 392,612.75 - Step 4: Simplify right side
180,728.75x = 154,144,771,462.56 - Step 5: Solve for x
x = 154,144,771,462.56/180,728.75 - Step 6: Final answer
x = 852,906.75
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.