Finding the Third Proportional to 292 and 438
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Solution
The third proportional to 292 and 438 is: 657
Step by Step Solution
- Step 1: Write the proportion equation
292 : 438 = 438 : x - Step 2: Convert to fraction form
292/438 = 438/x - Step 3: Cross multiply
292x = 438 × 438 - Step 4: Simplify right side
292x = 191,844 - Step 5: Solve for x
x = 191,844/292 - Step 6: Final answer
x = 657
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.