Finding the Third Proportional to 79,988.63 and 120,489.19
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Solution
The third proportional to 79,988.63 and 120,489.19 is: 181,496.36
Step by Step Solution
- Step 1: Write the proportion equation
79,988.63 : 120,489.19 = 120,489.19 : x - Step 2: Convert to fraction form
79,988.63/120,489.19 = 120,489.19/x - Step 3: Cross multiply
79,988.63x = 120,489.19 × 120,489.19 - Step 4: Simplify right side
79,988.63x = 14,517,644,304.41 - Step 5: Solve for x
x = 14,517,644,304.41/79,988.63 - Step 6: Final answer
x = 181,496.36
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.