Finding the Third Proportional to 276,520.75 and 420,553.75
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Solution
The third proportional to 276,520.75 and 420,553.75 is: 639,610.07
Step by Step Solution
- Step 1: Write the proportion equation
276,520.75 : 420,553.75 = 420,553.75 : x - Step 2: Convert to fraction form
276,520.75/420,553.75 = 420,553.75/x - Step 3: Cross multiply
276,520.75x = 420,553.75 × 420,553.75 - Step 4: Simplify right side
276,520.75x = 176,865,456,639.06 - Step 5: Solve for x
x = 176,865,456,639.06/276,520.75 - Step 6: Final answer
x = 639,610.07
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.