Finding the Third Proportional to 8,245.13 and 12,786.75
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Solution
The third proportional to 8,245.13 and 12,786.75 is: 19,830.02
Step by Step Solution
- Step 1: Write the proportion equation
8,245.13 : 12,786.75 = 12,786.75 : x - Step 2: Convert to fraction form
8,245.13/12,786.75 = 12,786.75/x - Step 3: Cross multiply
8,245.13x = 12,786.75 × 12,786.75 - Step 4: Simplify right side
8,245.13x = 163,500,975.56 - Step 5: Solve for x
x = 163,500,975.56/8,245.13 - Step 6: Final answer
x = 19,830.02
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.