Finding the Third Proportional to 646 and 966.25
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Solution
The third proportional to 646 and 966.25 is: 1,445.26
Step by Step Solution
- Step 1: Write the proportion equation
646 : 966.25 = 966.25 : x - Step 2: Convert to fraction form
646/966.25 = 966.25/x - Step 3: Cross multiply
646x = 966.25 × 966.25 - Step 4: Simplify right side
646x = 933,639.06 - Step 5: Solve for x
x = 933,639.06/646 - Step 6: Final answer
x = 1,445.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.