Finding the Third Proportional to 85,357.13 and 128,310.75
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Solution
The third proportional to 85,357.13 and 128,310.75 is: 192,879.61
Step by Step Solution
- Step 1: Write the proportion equation
85,357.13 : 128,310.75 = 128,310.75 : x - Step 2: Convert to fraction form
85,357.13/128,310.75 = 128,310.75/x - Step 3: Cross multiply
85,357.13x = 128,310.75 × 128,310.75 - Step 4: Simplify right side
85,357.13x = 16,463,648,565.56 - Step 5: Solve for x
x = 16,463,648,565.56/85,357.13 - Step 6: Final answer
x = 192,879.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.