Finding the Third Proportional to 405,931.50 and 871,716.94
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Solution
The third proportional to 405,931.50 and 871,716.94 is: 1,871,967.12
Step by Step Solution
- Step 1: Write the proportion equation
405,931.50 : 871,716.94 = 871,716.94 : x - Step 2: Convert to fraction form
405,931.50/871,716.94 = 871,716.94/x - Step 3: Cross multiply
405,931.50x = 871,716.94 × 871,716.94 - Step 4: Simplify right side
405,931.50x = 759,890,419,124.38 - Step 5: Solve for x
x = 759,890,419,124.38/405,931.50 - Step 6: Final answer
x = 1,871,967.12
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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.