Finding the Third Proportional to 8,687.96 and 18,969.19
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Solution
The third proportional to 8,687.96 and 18,969.19 is: 41,417.09
Step by Step Solution
- Step 1: Write the proportion equation
8,687.96 : 18,969.19 = 18,969.19 : x - Step 2: Convert to fraction form
8,687.96/18,969.19 = 18,969.19/x - Step 3: Cross multiply
8,687.96x = 18,969.19 × 18,969.19 - Step 4: Simplify right side
8,687.96x = 359,830,074.41 - Step 5: Solve for x
x = 359,830,074.41/8,687.96 - Step 6: Final answer
x = 41,417.09
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.