Finding the Third Proportional to 58,431.38 and 91,530
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Solution
The third proportional to 58,431.38 and 91,530 is: 143,377.44
Step by Step Solution
- Step 1: Write the proportion equation
58,431.38 : 91,530 = 91,530 : x - Step 2: Convert to fraction form
58,431.38/91,530 = 91,530/x - Step 3: Cross multiply
58,431.38x = 91,530 × 91,530 - Step 4: Simplify right side
58,431.38x = 8,377,740,900 - Step 5: Solve for x
x = 8,377,740,900/58,431.38 - Step 6: Final answer
x = 143,377.44
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.