Finding the Third Proportional to 31,570 and 49,015
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Solution
The third proportional to 31,570 and 49,015 is: 76,099.79
Step by Step Solution
- Step 1: Write the proportion equation
31,570 : 49,015 = 49,015 : x - Step 2: Convert to fraction form
31,570/49,015 = 49,015/x - Step 3: Cross multiply
31,570x = 49,015 × 49,015 - Step 4: Simplify right side
31,570x = 2,402,470,225 - Step 5: Solve for x
x = 2,402,470,225/31,570 - Step 6: Final answer
x = 76,099.79
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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.