Finding the Third Proportional to 31,214 and 45,651
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Solution
The third proportional to 31,214 and 45,651 is: 66,765.36
Step by Step Solution
- Step 1: Write the proportion equation
31,214 : 45,651 = 45,651 : x - Step 2: Convert to fraction form
31,214/45,651 = 45,651/x - Step 3: Cross multiply
31,214x = 45,651 × 45,651 - Step 4: Simplify right side
31,214x = 2,084,013,801 - Step 5: Solve for x
x = 2,084,013,801/31,214 - Step 6: Final answer
x = 66,765.36
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.