Finding the Third Proportional to 324,309.19 and 690,713.06
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Solution
The third proportional to 324,309.19 and 690,713.06 is: 1,471,079.31
Step by Step Solution
- Step 1: Write the proportion equation
324,309.19 : 690,713.06 = 690,713.06 : x - Step 2: Convert to fraction form
324,309.19/690,713.06 = 690,713.06/x - Step 3: Cross multiply
324,309.19x = 690,713.06 × 690,713.06 - Step 4: Simplify right side
324,309.19x = 477,084,534,708.13 - Step 5: Solve for x
x = 477,084,534,708.13/324,309.19 - Step 6: Final answer
x = 1,471,079.31
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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.