Finding the Third Proportional to 318,701.25 and 493,485.75
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Solution
The third proportional to 318,701.25 and 493,485.75 is: 764,126.86
Step by Step Solution
- Step 1: Write the proportion equation
318,701.25 : 493,485.75 = 493,485.75 : x - Step 2: Convert to fraction form
318,701.25/493,485.75 = 493,485.75/x - Step 3: Cross multiply
318,701.25x = 493,485.75 × 493,485.75 - Step 4: Simplify right side
318,701.25x = 243,528,185,453.06 - Step 5: Solve for x
x = 243,528,185,453.06/318,701.25 - Step 6: Final answer
x = 764,126.86
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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.