Finding the Third Proportional to 406 and 969
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Solution
The third proportional to 406 and 969 is: 2,312.71
Step by Step Solution
- Step 1: Write the proportion equation
406 : 969 = 969 : x - Step 2: Convert to fraction form
406/969 = 969/x - Step 3: Cross multiply
406x = 969 × 969 - Step 4: Simplify right side
406x = 938,961 - Step 5: Solve for x
x = 938,961/406 - Step 6: Final answer
x = 2,312.71
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Why These Related Problems?
These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.