Finding the Third Proportional to 201,512 and 423,700
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Solution
The third proportional to 201,512 and 423,700 is: 890,873.45
Step by Step Solution
- Step 1: Write the proportion equation
201,512 : 423,700 = 423,700 : x - Step 2: Convert to fraction form
201,512/423,700 = 423,700/x - Step 3: Cross multiply
201,512x = 423,700 × 423,700 - Step 4: Simplify right side
201,512x = 179,521,690,000 - Step 5: Solve for x
x = 179,521,690,000/201,512 - Step 6: Final answer
x = 890,873.45
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.