Finding the Third Proportional to 878,634 and 1,918,375
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Solution
The third proportional to 878,634 and 1,918,375 is: 4,188,504.70
Step by Step Solution
- Step 1: Write the proportion equation
878,634 : 1,918,375 = 1,918,375 : x - Step 2: Convert to fraction form
878,634/1,918,375 = 1,918,375/x - Step 3: Cross multiply
878,634x = 1,918,375 × 1,918,375 - Step 4: Simplify right side
878,634x = 3,680,162,640,625 - Step 5: Solve for x
x = 3,680,162,640,625/878,634 - Step 6: Final answer
x = 4,188,504.70
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.