Finding the Third Proportional to 6,613.88 and 8,817.19
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Solution
The third proportional to 6,613.88 and 8,817.19 is: 11,754.50
Step by Step Solution
- Step 1: Write the proportion equation
6,613.88 : 8,817.19 = 8,817.19 : x - Step 2: Convert to fraction form
6,613.88/8,817.19 = 8,817.19/x - Step 3: Cross multiply
6,613.88x = 8,817.19 × 8,817.19 - Step 4: Simplify right side
6,613.88x = 77,742,795.41 - Step 5: Solve for x
x = 77,742,795.41/6,613.88 - Step 6: Final answer
x = 11,754.50
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.