Finding the Third Proportional to 189,865.13 and 415,194.75
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Solution
The third proportional to 189,865.13 and 415,194.75 is: 907,942.84
Step by Step Solution
- Step 1: Write the proportion equation
189,865.13 : 415,194.75 = 415,194.75 : x - Step 2: Convert to fraction form
189,865.13/415,194.75 = 415,194.75/x - Step 3: Cross multiply
189,865.13x = 415,194.75 × 415,194.75 - Step 4: Simplify right side
189,865.13x = 172,386,680,427.56 - Step 5: Solve for x
x = 172,386,680,427.56/189,865.13 - Step 6: Final answer
x = 907,942.84
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.