Finding the Third Proportional to 278 and 529
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Solution
The third proportional to 278 and 529 is: 1,006.62
Step by Step Solution
- Step 1: Write the proportion equation
278 : 529 = 529 : x - Step 2: Convert to fraction form
278/529 = 529/x - Step 3: Cross multiply
278x = 529 × 529 - Step 4: Simplify right side
278x = 279,841 - Step 5: Solve for x
x = 279,841/278 - Step 6: Final answer
x = 1,006.62
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These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.