Finding the Third Proportional to 78,950.44 and 121,353.84
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Solution
The third proportional to 78,950.44 and 121,353.84 is: 186,531.65
Step by Step Solution
- Step 1: Write the proportion equation
78,950.44 : 121,353.84 = 121,353.84 : x - Step 2: Convert to fraction form
78,950.44/121,353.84 = 121,353.84/x - Step 3: Cross multiply
78,950.44x = 121,353.84 × 121,353.84 - Step 4: Simplify right side
78,950.44x = 14,726,755,392.90 - Step 5: Solve for x
x = 14,726,755,392.90/78,950.44 - Step 6: Final answer
x = 186,531.65
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.