Finding the Third Proportional to 768,273 and 1,659,643
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Solution
The third proportional to 768,273 and 1,659,643 is: 3,585,203.29
Step by Step Solution
- Step 1: Write the proportion equation
768,273 : 1,659,643 = 1,659,643 : x - Step 2: Convert to fraction form
768,273/1,659,643 = 1,659,643/x - Step 3: Cross multiply
768,273x = 1,659,643 × 1,659,643 - Step 4: Simplify right side
768,273x = 2,754,414,887,449 - Step 5: Solve for x
x = 2,754,414,887,449/768,273 - Step 6: Final answer
x = 3,585,203.29
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.