Finding the Third Proportional to 664,869 and 1,469,703
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Solution
The third proportional to 664,869 and 1,469,703 is: 3,248,800.75
Step by Step Solution
- Step 1: Write the proportion equation
664,869 : 1,469,703 = 1,469,703 : x - Step 2: Convert to fraction form
664,869/1,469,703 = 1,469,703/x - Step 3: Cross multiply
664,869x = 1,469,703 × 1,469,703 - Step 4: Simplify right side
664,869x = 2,160,026,908,209 - Step 5: Solve for x
x = 2,160,026,908,209/664,869 - Step 6: Final answer
x = 3,248,800.75
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.