Finding the Third Proportional to 100,569.75 and 149,113.75
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Solution
The third proportional to 100,569.75 and 149,113.75 is: 221,089.45
Step by Step Solution
- Step 1: Write the proportion equation
100,569.75 : 149,113.75 = 149,113.75 : x - Step 2: Convert to fraction form
100,569.75/149,113.75 = 149,113.75/x - Step 3: Cross multiply
100,569.75x = 149,113.75 × 149,113.75 - Step 4: Simplify right side
100,569.75x = 22,234,910,439.06 - Step 5: Solve for x
x = 22,234,910,439.06/100,569.75 - Step 6: Final answer
x = 221,089.45
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Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.