Finding the Third Proportional to 49,424 and 74,560
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Solution
The third proportional to 49,424 and 74,560 is: 112,479.64
Step by Step Solution
- Step 1: Write the proportion equation
49,424 : 74,560 = 74,560 : x - Step 2: Convert to fraction form
49,424/74,560 = 74,560/x - Step 3: Cross multiply
49,424x = 74,560 × 74,560 - Step 4: Simplify right side
49,424x = 5,559,193,600 - Step 5: Solve for x
x = 5,559,193,600/49,424 - Step 6: Final answer
x = 112,479.64
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.