Finding the Third Proportional to 276 and 368
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Solution
The third proportional to 276 and 368 is: 490.67
Step by Step Solution
- Step 1: Write the proportion equation
276 : 368 = 368 : x - Step 2: Convert to fraction form
276/368 = 368/x - Step 3: Cross multiply
276x = 368 × 368 - Step 4: Simplify right side
276x = 135,424 - Step 5: Solve for x
x = 135,424/276 - Step 6: Final answer
x = 490.67
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.