Finding the Third Proportional to 431,514 and 938,315
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Solution
The third proportional to 431,514 and 938,315 is: 2,040,339.45
Step by Step Solution
- Step 1: Write the proportion equation
431,514 : 938,315 = 938,315 : x - Step 2: Convert to fraction form
431,514/938,315 = 938,315/x - Step 3: Cross multiply
431,514x = 938,315 × 938,315 - Step 4: Simplify right side
431,514x = 880,435,039,225 - Step 5: Solve for x
x = 880,435,039,225/431,514 - Step 6: Final answer
x = 2,040,339.45
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.