Finding the Third Proportional to 163,059.75 and 257,721.75
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Solution
The third proportional to 163,059.75 and 257,721.75 is: 407,338.42
Step by Step Solution
- Step 1: Write the proportion equation
163,059.75 : 257,721.75 = 257,721.75 : x - Step 2: Convert to fraction form
163,059.75/257,721.75 = 257,721.75/x - Step 3: Cross multiply
163,059.75x = 257,721.75 × 257,721.75 - Step 4: Simplify right side
163,059.75x = 66,420,500,423.06 - Step 5: Solve for x
x = 66,420,500,423.06/163,059.75 - Step 6: Final answer
x = 407,338.42
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.