Finding the Third Proportional to 213,855.19 and 298,986.19
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Solution
The third proportional to 213,855.19 and 298,986.19 is: 418,005.95
Step by Step Solution
- Step 1: Write the proportion equation
213,855.19 : 298,986.19 = 298,986.19 : x - Step 2: Convert to fraction form
213,855.19/298,986.19 = 298,986.19/x - Step 3: Cross multiply
213,855.19x = 298,986.19 × 298,986.19 - Step 4: Simplify right side
213,855.19x = 89,392,740,315.79 - Step 5: Solve for x
x = 89,392,740,315.79/213,855.19 - Step 6: Final answer
x = 418,005.95
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.