Finding the Third Proportional to 117,378,452 and 257,431,720
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Solution
The third proportional to 117,378,452 and 257,431,720 is: 564,593,324.69
Step by Step Solution
- Step 1: Write the proportion equation
117,378,452 : 257,431,720 = 257,431,720 : x - Step 2: Convert to fraction form
117,378,452/257,431,720 = 257,431,720/x - Step 3: Cross multiply
117,378,452x = 257,431,720 × 257,431,720 - Step 4: Simplify right side
117,378,452x = 66,271,090,462,158,400 - Step 5: Solve for x
x = 66,271,090,462,158,400/117,378,452 - Step 6: Final answer
x = 564,593,324.69
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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.