Finding the Third Proportional to 8,761.92 and 18,909.70
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Solution
The third proportional to 8,761.92 and 18,909.70 is: 40,810.32
Step by Step Solution
- Step 1: Write the proportion equation
8,761.92 : 18,909.70 = 18,909.70 : x - Step 2: Convert to fraction form
8,761.92/18,909.70 = 18,909.70/x - Step 3: Cross multiply
8,761.92x = 18,909.70 × 18,909.70 - Step 4: Simplify right side
8,761.92x = 357,576,872.28 - Step 5: Solve for x
x = 357,576,872.28/8,761.92 - Step 6: Final answer
x = 40,810.32
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.