Finding the Third Proportional to 322 and 411.50
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Solution
The third proportional to 322 and 411.50 is: 525.88
Step by Step Solution
- Step 1: Write the proportion equation
322 : 411.50 = 411.50 : x - Step 2: Convert to fraction form
322/411.50 = 411.50/x - Step 3: Cross multiply
322x = 411.50 × 411.50 - Step 4: Simplify right side
322x = 169,332.25 - Step 5: Solve for x
x = 169,332.25/322 - Step 6: Final answer
x = 525.88
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These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.