Finding the Third Proportional to 639,750 and 1,358,214
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Solution
The third proportional to 639,750 and 1,358,214 is: 2,883,540.87
Step by Step Solution
- Step 1: Write the proportion equation
639,750 : 1,358,214 = 1,358,214 : x - Step 2: Convert to fraction form
639,750/1,358,214 = 1,358,214/x - Step 3: Cross multiply
639,750x = 1,358,214 × 1,358,214 - Step 4: Simplify right side
639,750x = 1,844,745,269,796 - Step 5: Solve for x
x = 1,844,745,269,796/639,750 - Step 6: Final answer
x = 2,883,540.87
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.