Finding the Third Proportional to 387,213.75 and 569,424.75
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Solution
The third proportional to 387,213.75 and 569,424.75 is: 837,378.70
Step by Step Solution
- Step 1: Write the proportion equation
387,213.75 : 569,424.75 = 569,424.75 : x - Step 2: Convert to fraction form
387,213.75/569,424.75 = 569,424.75/x - Step 3: Cross multiply
387,213.75x = 569,424.75 × 569,424.75 - Step 4: Simplify right side
387,213.75x = 324,244,545,912.56 - Step 5: Solve for x
x = 324,244,545,912.56/387,213.75 - Step 6: Final answer
x = 837,378.70
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.