Finding the Third Proportional to 285,430 and 627,358
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Solution
The third proportional to 285,430 and 627,358 is: 1,378,895.21
Step by Step Solution
- Step 1: Write the proportion equation
285,430 : 627,358 = 627,358 : x - Step 2: Convert to fraction form
285,430/627,358 = 627,358/x - Step 3: Cross multiply
285,430x = 627,358 × 627,358 - Step 4: Simplify right side
285,430x = 393,578,060,164 - Step 5: Solve for x
x = 393,578,060,164/285,430 - Step 6: Final answer
x = 1,378,895.21
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.