Finding the Third Proportional to 138,418.88 and 297,438.75
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Solution
The third proportional to 138,418.88 and 297,438.75 is: 639,145.56
Step by Step Solution
- Step 1: Write the proportion equation
138,418.88 : 297,438.75 = 297,438.75 : x - Step 2: Convert to fraction form
138,418.88/297,438.75 = 297,438.75/x - Step 3: Cross multiply
138,418.88x = 297,438.75 × 297,438.75 - Step 4: Simplify right side
138,418.88x = 88,469,810,001.56 - Step 5: Solve for x
x = 88,469,810,001.56/138,418.88 - Step 6: Final answer
x = 639,145.56
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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.