Finding the Third Proportional to 2,642 and 4,774
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Solution
The third proportional to 2,642 and 4,774 is: 8,626.45
Step by Step Solution
- Step 1: Write the proportion equation
2,642 : 4,774 = 4,774 : x - Step 2: Convert to fraction form
2,642/4,774 = 4,774/x - Step 3: Cross multiply
2,642x = 4,774 × 4,774 - Step 4: Simplify right side
2,642x = 22,791,076 - Step 5: Solve for x
x = 22,791,076/2,642 - Step 6: Final answer
x = 8,626.45
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Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.