Finding the Third Proportional to 721,383 and 1,125,751
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Solution
The third proportional to 721,383 and 1,125,751 is: 1,756,785.67
Step by Step Solution
- Step 1: Write the proportion equation
721,383 : 1,125,751 = 1,125,751 : x - Step 2: Convert to fraction form
721,383/1,125,751 = 1,125,751/x - Step 3: Cross multiply
721,383x = 1,125,751 × 1,125,751 - Step 4: Simplify right side
721,383x = 1,267,315,314,001 - Step 5: Solve for x
x = 1,267,315,314,001/721,383 - Step 6: Final answer
x = 1,756,785.67
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.