Finding the Third Proportional to 8,812.55 and 13,652.09
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Solution
The third proportional to 8,812.55 and 13,652.09 is: 21,149.33
Step by Step Solution
- Step 1: Write the proportion equation
8,812.55 : 13,652.09 = 13,652.09 : x - Step 2: Convert to fraction form
8,812.55/13,652.09 = 13,652.09/x - Step 3: Cross multiply
8,812.55x = 13,652.09 × 13,652.09 - Step 4: Simplify right side
8,812.55x = 186,379,450.44 - Step 5: Solve for x
x = 186,379,450.44/8,812.55 - Step 6: Final answer
x = 21,149.33
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.