Finding the Third Proportional to 21,526 and 31,581
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Solution
The third proportional to 21,526 and 31,581 is: 46,332.79
Step by Step Solution
- Step 1: Write the proportion equation
21,526 : 31,581 = 31,581 : x - Step 2: Convert to fraction form
21,526/31,581 = 31,581/x - Step 3: Cross multiply
21,526x = 31,581 × 31,581 - Step 4: Simplify right side
21,526x = 997,359,561 - Step 5: Solve for x
x = 997,359,561/21,526 - Step 6: Final answer
x = 46,332.79
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.