Finding the Third Proportional to 986,424 and 2,151,573
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Solution
The third proportional to 986,424 and 2,151,573 is: 4,692,978.25
Step by Step Solution
- Step 1: Write the proportion equation
986,424 : 2,151,573 = 2,151,573 : x - Step 2: Convert to fraction form
986,424/2,151,573 = 2,151,573/x - Step 3: Cross multiply
986,424x = 2,151,573 × 2,151,573 - Step 4: Simplify right side
986,424x = 4,629,266,374,329 - Step 5: Solve for x
x = 4,629,266,374,329/986,424 - Step 6: Final answer
x = 4,692,978.25
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.