Finding the Third Proportional to 75,828 and 100,618
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Solution
The third proportional to 75,828 and 100,618 is: 133,512.45
Step by Step Solution
- Step 1: Write the proportion equation
75,828 : 100,618 = 100,618 : x - Step 2: Convert to fraction form
75,828/100,618 = 100,618/x - Step 3: Cross multiply
75,828x = 100,618 × 100,618 - Step 4: Simplify right side
75,828x = 10,123,981,924 - Step 5: Solve for x
x = 10,123,981,924/75,828 - Step 6: Final answer
x = 133,512.45
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.