Finding the Third Proportional to 121,563.28 and 178,400.81
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Solution
The third proportional to 121,563.28 and 178,400.81 is: 261,813.02
Step by Step Solution
- Step 1: Write the proportion equation
121,563.28 : 178,400.81 = 178,400.81 : x - Step 2: Convert to fraction form
121,563.28/178,400.81 = 178,400.81/x - Step 3: Cross multiply
121,563.28x = 178,400.81 × 178,400.81 - Step 4: Simplify right side
121,563.28x = 31,826,849,900.66 - Step 5: Solve for x
x = 31,826,849,900.66/121,563.28 - Step 6: Final answer
x = 261,813.02
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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.