Finding the Third Proportional to 120,430.13 and 162,217.69
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Solution
The third proportional to 120,430.13 and 162,217.69 is: 218,504.95
Step by Step Solution
- Step 1: Write the proportion equation
120,430.13 : 162,217.69 = 162,217.69 : x - Step 2: Convert to fraction form
120,430.13/162,217.69 = 162,217.69/x - Step 3: Cross multiply
120,430.13x = 162,217.69 × 162,217.69 - Step 4: Simplify right side
120,430.13x = 26,314,578,137.85 - Step 5: Solve for x
x = 26,314,578,137.85/120,430.13 - Step 6: Final answer
x = 218,504.95
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.