Finding the Third Proportional to 8,745.75 and 12,489.75
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Solution
The third proportional to 8,745.75 and 12,489.75 is: 17,836.53
Step by Step Solution
- Step 1: Write the proportion equation
8,745.75 : 12,489.75 = 12,489.75 : x - Step 2: Convert to fraction form
8,745.75/12,489.75 = 12,489.75/x - Step 3: Cross multiply
8,745.75x = 12,489.75 × 12,489.75 - Step 4: Simplify right side
8,745.75x = 155,993,855.06 - Step 5: Solve for x
x = 155,993,855.06/8,745.75 - Step 6: Final answer
x = 17,836.53
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.