Finding the Third Proportional to 641,170.50 and 1,393,461
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Solution
The third proportional to 641,170.50 and 1,393,461 is: 3,028,419.99
Step by Step Solution
- Step 1: Write the proportion equation
641,170.50 : 1,393,461 = 1,393,461 : x - Step 2: Convert to fraction form
641,170.50/1,393,461 = 1,393,461/x - Step 3: Cross multiply
641,170.50x = 1,393,461 × 1,393,461 - Step 4: Simplify right side
641,170.50x = 1,941,733,558,521 - Step 5: Solve for x
x = 1,941,733,558,521/641,170.50 - Step 6: Final answer
x = 3,028,419.99
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.