Finding the Third Proportional to 129,205.13 and 189,426.09
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Solution
The third proportional to 129,205.13 and 189,426.09 is: 277,715.34
Step by Step Solution
- Step 1: Write the proportion equation
129,205.13 : 189,426.09 = 189,426.09 : x - Step 2: Convert to fraction form
129,205.13/189,426.09 = 189,426.09/x - Step 3: Cross multiply
129,205.13x = 189,426.09 × 189,426.09 - Step 4: Simplify right side
129,205.13x = 35,882,244,993.38 - Step 5: Solve for x
x = 35,882,244,993.38/129,205.13 - Step 6: Final answer
x = 277,715.34
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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.