Finding the Third Proportional to 658 and 1,244
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Solution
The third proportional to 658 and 1,244 is: 2,351.88
Step by Step Solution
- Step 1: Write the proportion equation
658 : 1,244 = 1,244 : x - Step 2: Convert to fraction form
658/1,244 = 1,244/x - Step 3: Cross multiply
658x = 1,244 × 1,244 - Step 4: Simplify right side
658x = 1,547,536 - Step 5: Solve for x
x = 1,547,536/658 - Step 6: Final answer
x = 2,351.88
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Why These Related Problems?
These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.