Finding the Third Proportional to 985,934 and 2,121,313
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Solution
The third proportional to 985,934 and 2,121,313 is: 4,564,168.44
Step by Step Solution
- Step 1: Write the proportion equation
985,934 : 2,121,313 = 2,121,313 : x - Step 2: Convert to fraction form
985,934/2,121,313 = 2,121,313/x - Step 3: Cross multiply
985,934x = 2,121,313 × 2,121,313 - Step 4: Simplify right side
985,934x = 4,499,968,843,969 - Step 5: Solve for x
x = 4,499,968,843,969/985,934 - Step 6: Final answer
x = 4,564,168.44
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.