Finding the Third Proportional to 74,067.75 and 107,740.13
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Solution
The third proportional to 74,067.75 and 107,740.13 is: 156,720.50
Step by Step Solution
- Step 1: Write the proportion equation
74,067.75 : 107,740.13 = 107,740.13 : x - Step 2: Convert to fraction form
74,067.75/107,740.13 = 107,740.13/x - Step 3: Cross multiply
74,067.75x = 107,740.13 × 107,740.13 - Step 4: Simplify right side
74,067.75x = 11,607,934,535.02 - Step 5: Solve for x
x = 11,607,934,535.02/74,067.75 - Step 6: Final answer
x = 156,720.50
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.