Finding the Third Proportional to 319,861,132 and 491,431,281
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Solution
The third proportional to 319,861,132 and 491,431,281 is: 755,029,854.47
Step by Step Solution
- Step 1: Write the proportion equation
319,861,132 : 491,431,281 = 491,431,281 : x - Step 2: Convert to fraction form
319,861,132/491,431,281 = 491,431,281/x - Step 3: Cross multiply
319,861,132x = 491,431,281 × 491,431,281 - Step 4: Simplify right side
319,861,132x = 241,504,703,945,300,960 - Step 5: Solve for x
x = 241,504,703,945,300,960/319,861,132 - Step 6: Final answer
x = 755,029,854.47
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.