Finding the Third Proportional to 276 and 530
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Solution
The third proportional to 276 and 530 is: 1,017.75
Step by Step Solution
- Step 1: Write the proportion equation
276 : 530 = 530 : x - Step 2: Convert to fraction form
276/530 = 530/x - Step 3: Cross multiply
276x = 530 × 530 - Step 4: Simplify right side
276x = 280,900 - Step 5: Solve for x
x = 280,900/276 - Step 6: Final answer
x = 1,017.75
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These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.