Finding the Third Proportional to 163 and 207
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Solution
The third proportional to 163 and 207 is: 262.88
Step by Step Solution
- Step 1: Write the proportion equation
163 : 207 = 207 : x - Step 2: Convert to fraction form
163/207 = 207/x - Step 3: Cross multiply
163x = 207 × 207 - Step 4: Simplify right side
163x = 42,849 - Step 5: Solve for x
x = 42,849/163 - Step 6: Final answer
x = 262.88
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These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.