Finding the Third Proportional to 320,446.13 and 683,781.75
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Solution
The third proportional to 320,446.13 and 683,781.75 is: 1,459,082.96
Step by Step Solution
- Step 1: Write the proportion equation
320,446.13 : 683,781.75 = 683,781.75 : x - Step 2: Convert to fraction form
320,446.13/683,781.75 = 683,781.75/x - Step 3: Cross multiply
320,446.13x = 683,781.75 × 683,781.75 - Step 4: Simplify right side
320,446.13x = 467,557,481,633.06 - Step 5: Solve for x
x = 467,557,481,633.06/320,446.13 - Step 6: Final answer
x = 1,459,082.96
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.