Finding the Third Proportional to 149,658.75 and 218,905.88
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Solution
The third proportional to 149,658.75 and 218,905.88 is: 320,193.65
Step by Step Solution
- Step 1: Write the proportion equation
149,658.75 : 218,905.88 = 218,905.88 : x - Step 2: Convert to fraction form
149,658.75/218,905.88 = 218,905.88/x - Step 3: Cross multiply
149,658.75x = 218,905.88 × 218,905.88 - Step 4: Simplify right side
149,658.75x = 47,919,782,109.52 - Step 5: Solve for x
x = 47,919,782,109.52/149,658.75 - Step 6: Final answer
x = 320,193.65
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.