Finding the Third Proportional to 257,558.75 and 393,993.75
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Solution
The third proportional to 257,558.75 and 393,993.75 is: 602,701.62
Step by Step Solution
- Step 1: Write the proportion equation
257,558.75 : 393,993.75 = 393,993.75 : x - Step 2: Convert to fraction form
257,558.75/393,993.75 = 393,993.75/x - Step 3: Cross multiply
257,558.75x = 393,993.75 × 393,993.75 - Step 4: Simplify right side
257,558.75x = 155,231,075,039.06 - Step 5: Solve for x
x = 155,231,075,039.06/257,558.75 - Step 6: Final answer
x = 602,701.62
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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.