Finding the Third Proportional to 7,629 and 8,445
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Solution
The third proportional to 7,629 and 8,445 is: 9,348.28
Step by Step Solution
- Step 1: Write the proportion equation
7,629 : 8,445 = 8,445 : x - Step 2: Convert to fraction form
7,629/8,445 = 8,445/x - Step 3: Cross multiply
7,629x = 8,445 × 8,445 - Step 4: Simplify right side
7,629x = 71,318,025 - Step 5: Solve for x
x = 71,318,025/7,629 - Step 6: Final answer
x = 9,348.28
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Why These Related Problems?
These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.