Finding the Third Proportional to 824,420 and 1,311,438
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Solution
The third proportional to 824,420 and 1,311,438 is: 2,086,157.09
Step by Step Solution
- Step 1: Write the proportion equation
824,420 : 1,311,438 = 1,311,438 : x - Step 2: Convert to fraction form
824,420/1,311,438 = 1,311,438/x - Step 3: Cross multiply
824,420x = 1,311,438 × 1,311,438 - Step 4: Simplify right side
824,420x = 1,719,869,627,844 - Step 5: Solve for x
x = 1,719,869,627,844/824,420 - Step 6: Final answer
x = 2,086,157.09
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.