Finding the Third Proportional to 31,071 and 67,326
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Solution
The third proportional to 31,071 and 67,326 is: 145,884.92
Step by Step Solution
- Step 1: Write the proportion equation
31,071 : 67,326 = 67,326 : x - Step 2: Convert to fraction form
31,071/67,326 = 67,326/x - Step 3: Cross multiply
31,071x = 67,326 × 67,326 - Step 4: Simplify right side
31,071x = 4,532,790,276 - Step 5: Solve for x
x = 4,532,790,276/31,071 - Step 6: Final answer
x = 145,884.92
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.