Finding the Third Proportional to 4,278,394 and 6,418,515
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Solution
The third proportional to 4,278,394 and 6,418,515 is: 9,629,158.70
Step by Step Solution
- Step 1: Write the proportion equation
4,278,394 : 6,418,515 = 6,418,515 : x - Step 2: Convert to fraction form
4,278,394/6,418,515 = 6,418,515/x - Step 3: Cross multiply
4,278,394x = 6,418,515 × 6,418,515 - Step 4: Simplify right side
4,278,394x = 41,197,334,805,225 - Step 5: Solve for x
x = 41,197,334,805,225/4,278,394 - Step 6: Final answer
x = 9,629,158.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.