Finding the Third Proportional to 166,110.75 and 257,709.09
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Solution
The third proportional to 166,110.75 and 257,709.09 is: 399,817.45
Step by Step Solution
- Step 1: Write the proportion equation
166,110.75 : 257,709.09 = 257,709.09 : x - Step 2: Convert to fraction form
166,110.75/257,709.09 = 257,709.09/x - Step 3: Cross multiply
166,110.75x = 257,709.09 × 257,709.09 - Step 4: Simplify right side
166,110.75x = 66,413,977,001.45 - Step 5: Solve for x
x = 66,413,977,001.45/166,110.75 - Step 6: Final answer
x = 399,817.45
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.