Finding the Third Proportional to 864,558 and 1,389,096
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Solution
The third proportional to 864,558 and 1,389,096 is: 2,231,877.67
Step by Step Solution
- Step 1: Write the proportion equation
864,558 : 1,389,096 = 1,389,096 : x - Step 2: Convert to fraction form
864,558/1,389,096 = 1,389,096/x - Step 3: Cross multiply
864,558x = 1,389,096 × 1,389,096 - Step 4: Simplify right side
864,558x = 1,929,587,697,216 - Step 5: Solve for x
x = 1,929,587,697,216/864,558 - Step 6: Final answer
x = 2,231,877.67
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.