Finding the Third Proportional to 31,958 and 47,938
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Solution
The third proportional to 31,958 and 47,938 is: 71,908.50
Step by Step Solution
- Step 1: Write the proportion equation
31,958 : 47,938 = 47,938 : x - Step 2: Convert to fraction form
31,958/47,938 = 47,938/x - Step 3: Cross multiply
31,958x = 47,938 × 47,938 - Step 4: Simplify right side
31,958x = 2,298,051,844 - Step 5: Solve for x
x = 2,298,051,844/31,958 - Step 6: Final answer
x = 71,908.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.