Finding the Third Proportional to 668,849 and 1,036,809
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Solution
The third proportional to 668,849 and 1,036,809 is: 1,607,198.19
Step by Step Solution
- Step 1: Write the proportion equation
668,849 : 1,036,809 = 1,036,809 : x - Step 2: Convert to fraction form
668,849/1,036,809 = 1,036,809/x - Step 3: Cross multiply
668,849x = 1,036,809 × 1,036,809 - Step 4: Simplify right side
668,849x = 1,074,972,902,481 - Step 5: Solve for x
x = 1,074,972,902,481/668,849 - Step 6: Final answer
x = 1,607,198.19
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.