Finding the Third Proportional to 861,259 and 1,854,135
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Solution
The third proportional to 861,259 and 1,854,135 is: 3,991,617.62
Step by Step Solution
- Step 1: Write the proportion equation
861,259 : 1,854,135 = 1,854,135 : x - Step 2: Convert to fraction form
861,259/1,854,135 = 1,854,135/x - Step 3: Cross multiply
861,259x = 1,854,135 × 1,854,135 - Step 4: Simplify right side
861,259x = 3,437,816,598,225 - Step 5: Solve for x
x = 3,437,816,598,225/861,259 - Step 6: Final answer
x = 3,991,617.62
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.