Finding the Third Proportional to 120,430.13 and 180,645.75
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Solution
The third proportional to 120,430.13 and 180,645.75 is: 270,969.47
Step by Step Solution
- Step 1: Write the proportion equation
120,430.13 : 180,645.75 = 180,645.75 : x - Step 2: Convert to fraction form
120,430.13/180,645.75 = 180,645.75/x - Step 3: Cross multiply
120,430.13x = 180,645.75 × 180,645.75 - Step 4: Simplify right side
120,430.13x = 32,632,886,993.06 - Step 5: Solve for x
x = 32,632,886,993.06/120,430.13 - Step 6: Final answer
x = 270,969.47
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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.