Finding the Third Proportional to 206,416.69 and 290,679.19
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Solution
The third proportional to 206,416.69 and 290,679.19 is: 409,338.95
Step by Step Solution
- Step 1: Write the proportion equation
206,416.69 : 290,679.19 = 290,679.19 : x - Step 2: Convert to fraction form
206,416.69/290,679.19 = 290,679.19/x - Step 3: Cross multiply
206,416.69x = 290,679.19 × 290,679.19 - Step 4: Simplify right side
206,416.69x = 84,494,390,045.66 - Step 5: Solve for x
x = 84,494,390,045.66/206,416.69 - Step 6: Final answer
x = 409,338.95
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.