Finding the Third Proportional to 79,231.50 and 121,324.50
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Solution
The third proportional to 79,231.50 and 121,324.50 is: 185,780.08
Step by Step Solution
- Step 1: Write the proportion equation
79,231.50 : 121,324.50 = 121,324.50 : x - Step 2: Convert to fraction form
79,231.50/121,324.50 = 121,324.50/x - Step 3: Cross multiply
79,231.50x = 121,324.50 × 121,324.50 - Step 4: Simplify right side
79,231.50x = 14,719,634,300.25 - Step 5: Solve for x
x = 14,719,634,300.25/79,231.50 - Step 6: Final answer
x = 185,780.08
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.