Finding the Third Proportional to 31,515.75 and 48,795.75
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Solution
The third proportional to 31,515.75 and 48,795.75 is: 75,550.33
Step by Step Solution
- Step 1: Write the proportion equation
31,515.75 : 48,795.75 = 48,795.75 : x - Step 2: Convert to fraction form
31,515.75/48,795.75 = 48,795.75/x - Step 3: Cross multiply
31,515.75x = 48,795.75 × 48,795.75 - Step 4: Simplify right side
31,515.75x = 2,381,025,218.06 - Step 5: Solve for x
x = 2,381,025,218.06/31,515.75 - Step 6: Final answer
x = 75,550.33
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.