Finding the Third Proportional to 6,402 and 11,305.50
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Solution
The third proportional to 6,402 and 11,305.50 is: 19,964.75
Step by Step Solution
- Step 1: Write the proportion equation
6,402 : 11,305.50 = 11,305.50 : x - Step 2: Convert to fraction form
6,402/11,305.50 = 11,305.50/x - Step 3: Cross multiply
6,402x = 11,305.50 × 11,305.50 - Step 4: Simplify right side
6,402x = 127,814,330.25 - Step 5: Solve for x
x = 127,814,330.25/6,402 - Step 6: Final answer
x = 19,964.75
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Why These Related Problems?
These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.