Finding the Third Proportional to 309,216 and 441,000
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Solution
The third proportional to 309,216 and 441,000 is: 628,948.70
Step by Step Solution
- Step 1: Write the proportion equation
309,216 : 441,000 = 441,000 : x - Step 2: Convert to fraction form
309,216/441,000 = 441,000/x - Step 3: Cross multiply
309,216x = 441,000 × 441,000 - Step 4: Simplify right side
309,216x = 194,481,000,000 - Step 5: Solve for x
x = 194,481,000,000/309,216 - Step 6: Final answer
x = 628,948.70
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.