Finding the Third Proportional to 7,431,788 and 10,860,921
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Solution
The third proportional to 7,431,788 and 10,860,921 is: 15,872,304.88
Step by Step Solution
- Step 1: Write the proportion equation
7,431,788 : 10,860,921 = 10,860,921 : x - Step 2: Convert to fraction form
7,431,788/10,860,921 = 10,860,921/x - Step 3: Cross multiply
7,431,788x = 10,860,921 × 10,860,921 - Step 4: Simplify right side
7,431,788x = 117,959,604,968,241 - Step 5: Solve for x
x = 117,959,604,968,241/7,431,788 - Step 6: Final answer
x = 15,872,304.88
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.