Finding the Third Proportional to 279,963.38 and 430,902.75
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Solution
The third proportional to 279,963.38 and 430,902.75 is: 663,219.54
Step by Step Solution
- Step 1: Write the proportion equation
279,963.38 : 430,902.75 = 430,902.75 : x - Step 2: Convert to fraction form
279,963.38/430,902.75 = 430,902.75/x - Step 3: Cross multiply
279,963.38x = 430,902.75 × 430,902.75 - Step 4: Simplify right side
279,963.38x = 185,677,179,957.56 - Step 5: Solve for x
x = 185,677,179,957.56/279,963.38 - Step 6: Final answer
x = 663,219.54
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.