Finding the Third Proportional to 2,121,489 and 4,723,163
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Solution
The third proportional to 2,121,489 and 4,723,163 is: 10,515,382.70
Step by Step Solution
- Step 1: Write the proportion equation
2,121,489 : 4,723,163 = 4,723,163 : x - Step 2: Convert to fraction form
2,121,489/4,723,163 = 4,723,163/x - Step 3: Cross multiply
2,121,489x = 4,723,163 × 4,723,163 - Step 4: Simplify right side
2,121,489x = 22,308,268,724,569 - Step 5: Solve for x
x = 22,308,268,724,569/2,121,489 - Step 6: Final answer
x = 10,515,382.70
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.