Finding the Third Proportional to 276,689.75 and 423,063.75
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Solution
The third proportional to 276,689.75 and 423,063.75 is: 646,872.31
Step by Step Solution
- Step 1: Write the proportion equation
276,689.75 : 423,063.75 = 423,063.75 : x - Step 2: Convert to fraction form
276,689.75/423,063.75 = 423,063.75/x - Step 3: Cross multiply
276,689.75x = 423,063.75 × 423,063.75 - Step 4: Simplify right side
276,689.75x = 178,982,936,564.06 - Step 5: Solve for x
x = 178,982,936,564.06/276,689.75 - Step 6: Final answer
x = 646,872.31
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.