Finding the Third Proportional to 131,138.25 and 192,402.75
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Solution
The third proportional to 131,138.25 and 192,402.75 is: 282,288.49
Step by Step Solution
- Step 1: Write the proportion equation
131,138.25 : 192,402.75 = 192,402.75 : x - Step 2: Convert to fraction form
131,138.25/192,402.75 = 192,402.75/x - Step 3: Cross multiply
131,138.25x = 192,402.75 × 192,402.75 - Step 4: Simplify right side
131,138.25x = 37,018,818,207.56 - Step 5: Solve for x
x = 37,018,818,207.56/131,138.25 - Step 6: Final answer
x = 282,288.49
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.