Finding the Third Proportional to 631,891 and 819,746
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Solution
The third proportional to 631,891 and 819,746 is: 1,063,448.45
Step by Step Solution
- Step 1: Write the proportion equation
631,891 : 819,746 = 819,746 : x - Step 2: Convert to fraction form
631,891/819,746 = 819,746/x - Step 3: Cross multiply
631,891x = 819,746 × 819,746 - Step 4: Simplify right side
631,891x = 671,983,504,516 - Step 5: Solve for x
x = 671,983,504,516/631,891 - Step 6: Final answer
x = 1,063,448.45
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Why These Related Problems?
These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.