Finding the Third Proportional to 28,340 and 43,729
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Solution
The third proportional to 28,340 and 43,729 is: 67,474.43
Step by Step Solution
- Step 1: Write the proportion equation
28,340 : 43,729 = 43,729 : x - Step 2: Convert to fraction form
28,340/43,729 = 43,729/x - Step 3: Cross multiply
28,340x = 43,729 × 43,729 - Step 4: Simplify right side
28,340x = 1,912,225,441 - Step 5: Solve for x
x = 1,912,225,441/28,340 - Step 6: Final answer
x = 67,474.43
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.