Finding the Third Proportional to 120,619.50 and 177,318.75
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Solution
The third proportional to 120,619.50 and 177,318.75 is: 260,670.45
Step by Step Solution
- Step 1: Write the proportion equation
120,619.50 : 177,318.75 = 177,318.75 : x - Step 2: Convert to fraction form
120,619.50/177,318.75 = 177,318.75/x - Step 3: Cross multiply
120,619.50x = 177,318.75 × 177,318.75 - Step 4: Simplify right side
120,619.50x = 31,441,939,101.56 - Step 5: Solve for x
x = 31,441,939,101.56/120,619.50 - Step 6: Final answer
x = 260,670.45
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.