Finding the Third Proportional to 21,527 and 31,434
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Solution
The third proportional to 21,527 and 31,434 is: 45,900.33
Step by Step Solution
- Step 1: Write the proportion equation
21,527 : 31,434 = 31,434 : x - Step 2: Convert to fraction form
21,527/31,434 = 31,434/x - Step 3: Cross multiply
21,527x = 31,434 × 31,434 - Step 4: Simplify right side
21,527x = 988,096,356 - Step 5: Solve for x
x = 988,096,356/21,527 - Step 6: Final answer
x = 45,900.33
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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.