Finding the Third Proportional to 138,540.38 and 298,452.09
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Solution
The third proportional to 138,540.38 and 298,452.09 is: 642,943.63
Step by Step Solution
- Step 1: Write the proportion equation
138,540.38 : 298,452.09 = 298,452.09 : x - Step 2: Convert to fraction form
138,540.38/298,452.09 = 298,452.09/x - Step 3: Cross multiply
138,540.38x = 298,452.09 × 298,452.09 - Step 4: Simplify right side
138,540.38x = 89,073,652,263.76 - Step 5: Solve for x
x = 89,073,652,263.76/138,540.38 - Step 6: Final answer
x = 642,943.63
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.