Finding the Third Proportional to 728,474 and 1,102,867
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Solution
The third proportional to 728,474 and 1,102,867 is: 1,669,676.09
Step by Step Solution
- Step 1: Write the proportion equation
728,474 : 1,102,867 = 1,102,867 : x - Step 2: Convert to fraction form
728,474/1,102,867 = 1,102,867/x - Step 3: Cross multiply
728,474x = 1,102,867 × 1,102,867 - Step 4: Simplify right side
728,474x = 1,216,315,619,689 - Step 5: Solve for x
x = 1,216,315,619,689/728,474 - Step 6: Final answer
x = 1,669,676.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.