Finding the Third Proportional to 206,421.75 and 305,799.75
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Solution
The third proportional to 206,421.75 and 305,799.75 is: 453,021.48
Step by Step Solution
- Step 1: Write the proportion equation
206,421.75 : 305,799.75 = 305,799.75 : x - Step 2: Convert to fraction form
206,421.75/305,799.75 = 305,799.75/x - Step 3: Cross multiply
206,421.75x = 305,799.75 × 305,799.75 - Step 4: Simplify right side
206,421.75x = 93,513,487,100.06 - Step 5: Solve for x
x = 93,513,487,100.06/206,421.75 - Step 6: Final answer
x = 453,021.48
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Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.