Finding the Third Proportional to 117,378,588 and 257,431,992
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Solution
The third proportional to 117,378,588 and 257,431,992 is: 564,593,863.62
Step by Step Solution
- Step 1: Write the proportion equation
117,378,588 : 257,431,992 = 257,431,992 : x - Step 2: Convert to fraction form
117,378,588/257,431,992 = 257,431,992/x - Step 3: Cross multiply
117,378,588x = 257,431,992 × 257,431,992 - Step 4: Simplify right side
117,378,588x = 66,271,230,505,088,064 - Step 5: Solve for x
x = 66,271,230,505,088,064/117,378,588 - Step 6: Final answer
x = 564,593,863.62
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.