Finding the Third Proportional to 138,795.75 and 298,239.75
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Solution
The third proportional to 138,795.75 and 298,239.75 is: 640,847.78
Step by Step Solution
- Step 1: Write the proportion equation
138,795.75 : 298,239.75 = 298,239.75 : x - Step 2: Convert to fraction form
138,795.75/298,239.75 = 298,239.75/x - Step 3: Cross multiply
138,795.75x = 298,239.75 × 298,239.75 - Step 4: Simplify right side
138,795.75x = 88,946,948,480.06 - Step 5: Solve for x
x = 88,946,948,480.06/138,795.75 - Step 6: Final answer
x = 640,847.78
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.