Finding the Third Proportional to 789,625 and 1,129,193
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Solution
The third proportional to 789,625 and 1,129,193 is: 1,614,787.82
Step by Step Solution
- Step 1: Write the proportion equation
789,625 : 1,129,193 = 1,129,193 : x - Step 2: Convert to fraction form
789,625/1,129,193 = 1,129,193/x - Step 3: Cross multiply
789,625x = 1,129,193 × 1,129,193 - Step 4: Simplify right side
789,625x = 1,275,076,831,249 - Step 5: Solve for x
x = 1,275,076,831,249/789,625 - Step 6: Final answer
x = 1,614,787.82
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.