Finding the Third Proportional to 1,968 and 4,305
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Solution
The third proportional to 1,968 and 4,305 is: 9,417.19
Step by Step Solution
- Step 1: Write the proportion equation
1,968 : 4,305 = 4,305 : x - Step 2: Convert to fraction form
1,968/4,305 = 4,305/x - Step 3: Cross multiply
1,968x = 4,305 × 4,305 - Step 4: Simplify right side
1,968x = 18,533,025 - Step 5: Solve for x
x = 18,533,025/1,968 - Step 6: Final answer
x = 9,417.19
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.