Finding the Third Proportional to 100,572.75 and 138,540.13
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Solution
The third proportional to 100,572.75 and 138,540.13 is: 190,840.62
Step by Step Solution
- Step 1: Write the proportion equation
100,572.75 : 138,540.13 = 138,540.13 : x - Step 2: Convert to fraction form
100,572.75/138,540.13 = 138,540.13/x - Step 3: Cross multiply
100,572.75x = 138,540.13 × 138,540.13 - Step 4: Simplify right side
100,572.75x = 19,193,366,235.02 - Step 5: Solve for x
x = 19,193,366,235.02/100,572.75 - Step 6: Final answer
x = 190,840.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.