Finding the Third Proportional to 21,080 and 31,332
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Solution
The third proportional to 21,080 and 31,332 is: 46,569.93
Step by Step Solution
- Step 1: Write the proportion equation
21,080 : 31,332 = 31,332 : x - Step 2: Convert to fraction form
21,080/31,332 = 31,332/x - Step 3: Cross multiply
21,080x = 31,332 × 31,332 - Step 4: Simplify right side
21,080x = 981,694,224 - Step 5: Solve for x
x = 981,694,224/21,080 - Step 6: Final answer
x = 46,569.93
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.