Finding the Third Proportional to 280,276 and 402,918
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Solution
The third proportional to 280,276 and 402,918 is: 579,225.17
Step by Step Solution
- Step 1: Write the proportion equation
280,276 : 402,918 = 402,918 : x - Step 2: Convert to fraction form
280,276/402,918 = 402,918/x - Step 3: Cross multiply
280,276x = 402,918 × 402,918 - Step 4: Simplify right side
280,276x = 162,342,914,724 - Step 5: Solve for x
x = 162,342,914,724/280,276 - Step 6: Final answer
x = 579,225.17
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.