Finding the Third Proportional to 221,683.50 and 324,660.75
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Solution
The third proportional to 221,683.50 and 324,660.75 is: 475,473.38
Step by Step Solution
- Step 1: Write the proportion equation
221,683.50 : 324,660.75 = 324,660.75 : x - Step 2: Convert to fraction form
221,683.50/324,660.75 = 324,660.75/x - Step 3: Cross multiply
221,683.50x = 324,660.75 × 324,660.75 - Step 4: Simplify right side
221,683.50x = 105,404,602,590.56 - Step 5: Solve for x
x = 105,404,602,590.56/221,683.50 - Step 6: Final answer
x = 475,473.38
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.