Finding the Third Proportional to 860,879.81 and 1,286,821.69
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Solution
The third proportional to 860,879.81 and 1,286,821.69 is: 1,923,508.99
Step by Step Solution
- Step 1: Write the proportion equation
860,879.81 : 1,286,821.69 = 1,286,821.69 : x - Step 2: Convert to fraction form
860,879.81/1,286,821.69 = 1,286,821.69/x - Step 3: Cross multiply
860,879.81x = 1,286,821.69 × 1,286,821.69 - Step 4: Simplify right side
860,879.81x = 1,655,910,055,420.35 - Step 5: Solve for x
x = 1,655,910,055,420.35/860,879.81 - Step 6: Final answer
x = 1,923,508.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.