Finding the Third Proportional to 128,800.13 and 189,475.88
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Solution
The third proportional to 128,800.13 and 189,475.88 is: 278,735.03
Step by Step Solution
- Step 1: Write the proportion equation
128,800.13 : 189,475.88 = 189,475.88 : x - Step 2: Convert to fraction form
128,800.13/189,475.88 = 189,475.88/x - Step 3: Cross multiply
128,800.13x = 189,475.88 × 189,475.88 - Step 4: Simplify right side
128,800.13x = 35,901,107,207.02 - Step 5: Solve for x
x = 35,901,107,207.02/128,800.13 - Step 6: Final answer
x = 278,735.03
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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.