Finding the Third Proportional to 131,442 and 287,208
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Solution
The third proportional to 131,442 and 287,208 is: 627,565.28
Step by Step Solution
- Step 1: Write the proportion equation
131,442 : 287,208 = 287,208 : x - Step 2: Convert to fraction form
131,442/287,208 = 287,208/x - Step 3: Cross multiply
131,442x = 287,208 × 287,208 - Step 4: Simplify right side
131,442x = 82,488,435,264 - Step 5: Solve for x
x = 82,488,435,264/131,442 - Step 6: Final answer
x = 627,565.28
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.