Finding the Third Proportional to 4,428 and 6,642
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Solution
The third proportional to 4,428 and 6,642 is: 9,963
Step by Step Solution
- Step 1: Write the proportion equation
4,428 : 6,642 = 6,642 : x - Step 2: Convert to fraction form
4,428/6,642 = 6,642/x - Step 3: Cross multiply
4,428x = 6,642 × 6,642 - Step 4: Simplify right side
4,428x = 44,116,164 - Step 5: Solve for x
x = 44,116,164/4,428 - Step 6: Final answer
x = 9,963
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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.