Finding the Third Proportional to 279,262.13 and 431,529.19
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Solution
The third proportional to 279,262.13 and 431,529.19 is: 666,819.53
Step by Step Solution
- Step 1: Write the proportion equation
279,262.13 : 431,529.19 = 431,529.19 : x - Step 2: Convert to fraction form
279,262.13/431,529.19 = 431,529.19/x - Step 3: Cross multiply
279,262.13x = 431,529.19 × 431,529.19 - Step 4: Simplify right side
279,262.13x = 186,217,439,664.41 - Step 5: Solve for x
x = 186,217,439,664.41/279,262.13 - Step 6: Final answer
x = 666,819.53
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.