Finding the Third Proportional to 276,316.31 and 421,853.06
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Solution
The third proportional to 276,316.31 and 421,853.06 is: 644,044.52
Step by Step Solution
- Step 1: Write the proportion equation
276,316.31 : 421,853.06 = 421,853.06 : x - Step 2: Convert to fraction form
276,316.31/421,853.06 = 421,853.06/x - Step 3: Cross multiply
276,316.31x = 421,853.06 × 421,853.06 - Step 4: Simplify right side
276,316.31x = 177,960,006,340.63 - Step 5: Solve for x
x = 177,960,006,340.63/276,316.31 - Step 6: Final answer
x = 644,044.52
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.