Finding the Third Proportional to 698,909 and 1,081,579
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Solution
The third proportional to 698,909 and 1,081,579 is: 1,673,770.31
Step by Step Solution
- Step 1: Write the proportion equation
698,909 : 1,081,579 = 1,081,579 : x - Step 2: Convert to fraction form
698,909/1,081,579 = 1,081,579/x - Step 3: Cross multiply
698,909x = 1,081,579 × 1,081,579 - Step 4: Simplify right side
698,909x = 1,169,813,133,241 - Step 5: Solve for x
x = 1,169,813,133,241/698,909 - Step 6: Final answer
x = 1,673,770.31
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.