Finding the Third Proportional to 403,781,976 and 878,422,752
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Solution
The third proportional to 403,781,976 and 878,422,752 is: 1,910,997,957.05
Step by Step Solution
- Step 1: Write the proportion equation
403,781,976 : 878,422,752 = 878,422,752 : x - Step 2: Convert to fraction form
403,781,976/878,422,752 = 878,422,752/x - Step 3: Cross multiply
403,781,976x = 878,422,752 × 878,422,752 - Step 4: Simplify right side
403,781,976x = 771,626,531,231,253,504 - Step 5: Solve for x
x = 771,626,531,231,253,504/403,781,976 - Step 6: Final answer
x = 1,910,997,957.05
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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.