Finding the Third Proportional to 120,721.50 and 163,950.75
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Solution
The third proportional to 120,721.50 and 163,950.75 is: 222,659.99
Step by Step Solution
- Step 1: Write the proportion equation
120,721.50 : 163,950.75 = 163,950.75 : x - Step 2: Convert to fraction form
120,721.50/163,950.75 = 163,950.75/x - Step 3: Cross multiply
120,721.50x = 163,950.75 × 163,950.75 - Step 4: Simplify right side
120,721.50x = 26,879,848,425.56 - Step 5: Solve for x
x = 26,879,848,425.56/120,721.50 - Step 6: Final answer
x = 222,659.99
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.