Finding the Third Proportional to 155,969.25 and 217,311.75
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Solution
The third proportional to 155,969.25 and 217,311.75 is: 302,780.17
Step by Step Solution
- Step 1: Write the proportion equation
155,969.25 : 217,311.75 = 217,311.75 : x - Step 2: Convert to fraction form
155,969.25/217,311.75 = 217,311.75/x - Step 3: Cross multiply
155,969.25x = 217,311.75 × 217,311.75 - Step 4: Simplify right side
155,969.25x = 47,224,396,688.06 - Step 5: Solve for x
x = 47,224,396,688.06/155,969.25 - Step 6: Final answer
x = 302,780.17
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.