Finding the Third Proportional to 649,916 and 1,402,589
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Solution
The third proportional to 649,916 and 1,402,589 is: 3,026,938.72
Step by Step Solution
- Step 1: Write the proportion equation
649,916 : 1,402,589 = 1,402,589 : x - Step 2: Convert to fraction form
649,916/1,402,589 = 1,402,589/x - Step 3: Cross multiply
649,916x = 1,402,589 × 1,402,589 - Step 4: Simplify right side
649,916x = 1,967,255,902,921 - Step 5: Solve for x
x = 1,967,255,902,921/649,916 - Step 6: Final answer
x = 3,026,938.72
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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.