Finding the Third Proportional to 397,133,646 and 865,773,693
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Solution
The third proportional to 397,133,646 and 865,773,693 is: 1,887,435,363.49
Step by Step Solution
- Step 1: Write the proportion equation
397,133,646 : 865,773,693 = 865,773,693 : x - Step 2: Convert to fraction form
397,133,646/865,773,693 = 865,773,693/x - Step 3: Cross multiply
397,133,646x = 865,773,693 × 865,773,693 - Step 4: Simplify right side
397,133,646x = 749,564,087,490,858,240 - Step 5: Solve for x
x = 749,564,087,490,858,240/397,133,646 - Step 6: Final answer
x = 1,887,435,363.49
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.