Finding the Third Proportional to 138,359.75 and 211,554.75
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Solution
The third proportional to 138,359.75 and 211,554.75 is: 323,471.33
Step by Step Solution
- Step 1: Write the proportion equation
138,359.75 : 211,554.75 = 211,554.75 : x - Step 2: Convert to fraction form
138,359.75/211,554.75 = 211,554.75/x - Step 3: Cross multiply
138,359.75x = 211,554.75 × 211,554.75 - Step 4: Simplify right side
138,359.75x = 44,755,412,247.56 - Step 5: Solve for x
x = 44,755,412,247.56/138,359.75 - Step 6: Final answer
x = 323,471.33
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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.