Finding the Third Proportional to 72,780.50 and 159,095
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Solution
The third proportional to 72,780.50 and 159,095 is: 347,774.73
Step by Step Solution
- Step 1: Write the proportion equation
72,780.50 : 159,095 = 159,095 : x - Step 2: Convert to fraction form
72,780.50/159,095 = 159,095/x - Step 3: Cross multiply
72,780.50x = 159,095 × 159,095 - Step 4: Simplify right side
72,780.50x = 25,311,219,025 - Step 5: Solve for x
x = 25,311,219,025/72,780.50 - Step 6: Final answer
x = 347,774.73
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.