Finding the Third Proportional to 851,403 and 1,318,415
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Solution
The third proportional to 851,403 and 1,318,415 is: 2,041,592.66
Step by Step Solution
- Step 1: Write the proportion equation
851,403 : 1,318,415 = 1,318,415 : x - Step 2: Convert to fraction form
851,403/1,318,415 = 1,318,415/x - Step 3: Cross multiply
851,403x = 1,318,415 × 1,318,415 - Step 4: Simplify right side
851,403x = 1,738,218,112,225 - Step 5: Solve for x
x = 1,738,218,112,225/851,403 - Step 6: Final answer
x = 2,041,592.66
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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.