Finding the Third Proportional to 515,627,190 and 817,816,716
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Solution
The third proportional to 515,627,190 and 817,816,716 is: 1,297,108,053.92
Step by Step Solution
- Step 1: Write the proportion equation
515,627,190 : 817,816,716 = 817,816,716 : x - Step 2: Convert to fraction form
515,627,190/817,816,716 = 817,816,716/x - Step 3: Cross multiply
515,627,190x = 817,816,716 × 817,816,716 - Step 4: Simplify right side
515,627,190x = 668,824,180,969,024,640 - Step 5: Solve for x
x = 668,824,180,969,024,640/515,627,190 - Step 6: Final answer
x = 1,297,108,053.92
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.