Finding the Third Proportional to 8,742.94 and 13,187.63
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Solution
The third proportional to 8,742.94 and 13,187.63 is: 19,891.88
Step by Step Solution
- Step 1: Write the proportion equation
8,742.94 : 13,187.63 = 13,187.63 : x - Step 2: Convert to fraction form
8,742.94/13,187.63 = 13,187.63/x - Step 3: Cross multiply
8,742.94x = 13,187.63 × 13,187.63 - Step 4: Simplify right side
8,742.94x = 173,913,453.14 - Step 5: Solve for x
x = 173,913,453.14/8,742.94 - Step 6: Final answer
x = 19,891.88
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.