Finding the Third Proportional to 165,831 and 389,792
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Solution
The third proportional to 165,831 and 389,792 is: 916,220.75
Step by Step Solution
- Step 1: Write the proportion equation
165,831 : 389,792 = 389,792 : x - Step 2: Convert to fraction form
165,831/389,792 = 389,792/x - Step 3: Cross multiply
165,831x = 389,792 × 389,792 - Step 4: Simplify right side
165,831x = 151,937,803,264 - Step 5: Solve for x
x = 151,937,803,264/165,831 - Step 6: Final answer
x = 916,220.75
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These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.