Finding the Third Proportional to 186,916,972 and 409,070,456
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Solution
The third proportional to 186,916,972 and 409,070,456 is: 895,256,520.48
Step by Step Solution
- Step 1: Write the proportion equation
186,916,972 : 409,070,456 = 409,070,456 : x - Step 2: Convert to fraction form
186,916,972/409,070,456 = 409,070,456/x - Step 3: Cross multiply
186,916,972x = 409,070,456 × 409,070,456 - Step 4: Simplify right side
186,916,972x = 167,338,637,972,047,936 - Step 5: Solve for x
x = 167,338,637,972,047,936/186,916,972 - Step 6: Final answer
x = 895,256,520.48
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.