Finding the Third Proportional to 6,420,720 and 13,372,884
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Solution
The third proportional to 6,420,720 and 13,372,884 is: 27,852,643.70
Step by Step Solution
- Step 1: Write the proportion equation
6,420,720 : 13,372,884 = 13,372,884 : x - Step 2: Convert to fraction form
6,420,720/13,372,884 = 13,372,884/x - Step 3: Cross multiply
6,420,720x = 13,372,884 × 13,372,884 - Step 4: Simplify right side
6,420,720x = 178,834,026,477,456 - Step 5: Solve for x
x = 178,834,026,477,456/6,420,720 - Step 6: Final answer
x = 27,852,643.70
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.