Finding the Third Proportional to 216,117.38 and 347,241.75
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Solution
The third proportional to 216,117.38 and 347,241.75 is: 557,922.90
Step by Step Solution
- Step 1: Write the proportion equation
216,117.38 : 347,241.75 = 347,241.75 : x - Step 2: Convert to fraction form
216,117.38/347,241.75 = 347,241.75/x - Step 3: Cross multiply
216,117.38x = 347,241.75 × 347,241.75 - Step 4: Simplify right side
216,117.38x = 120,576,832,943.06 - Step 5: Solve for x
x = 120,576,832,943.06/216,117.38 - Step 6: Final answer
x = 557,922.90
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.