Finding the Third Proportional to 120,669.75 and 180,771.75
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Solution
The third proportional to 120,669.75 and 180,771.75 is: 270,808.76
Step by Step Solution
- Step 1: Write the proportion equation
120,669.75 : 180,771.75 = 180,771.75 : x - Step 2: Convert to fraction form
120,669.75/180,771.75 = 180,771.75/x - Step 3: Cross multiply
120,669.75x = 180,771.75 × 180,771.75 - Step 4: Simplify right side
120,669.75x = 32,678,425,598.06 - Step 5: Solve for x
x = 32,678,425,598.06/120,669.75 - Step 6: Final answer
x = 270,808.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.