Finding the Third Proportional to 319,861,113 and 491,431,249
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Solution
The third proportional to 319,861,113 and 491,431,249 is: 755,029,800.99
Step by Step Solution
- Step 1: Write the proportion equation
319,861,113 : 491,431,249 = 491,431,249 : x - Step 2: Convert to fraction form
319,861,113/491,431,249 = 491,431,249/x - Step 3: Cross multiply
319,861,113x = 491,431,249 × 491,431,249 - Step 4: Simplify right side
319,861,113x = 241,504,672,493,700,000 - Step 5: Solve for x
x = 241,504,672,493,700,000/319,861,113 - Step 6: Final answer
x = 755,029,800.99
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.