Finding the Third Proportional to 643,853,701 and 1,394,670,430
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Solution
The third proportional to 643,853,701 and 1,394,670,430 is: 3,021,036,619.49
Step by Step Solution
- Step 1: Write the proportion equation
643,853,701 : 1,394,670,430 = 1,394,670,430 : x - Step 2: Convert to fraction form
643,853,701/1,394,670,430 = 1,394,670,430/x - Step 3: Cross multiply
643,853,701x = 1,394,670,430 × 1,394,670,430 - Step 4: Simplify right side
643,853,701x = 1,945,105,608,316,385,024 - Step 5: Solve for x
x = 1,945,105,608,316,385,024/643,853,701 - Step 6: Final answer
x = 3,021,036,619.49
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.