Finding the Third Proportional to 190,716,480 and 411,916,824
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Solution
The third proportional to 190,716,480 and 411,916,824 is: 889,673,875.56
Step by Step Solution
- Step 1: Write the proportion equation
190,716,480 : 411,916,824 = 411,916,824 : x - Step 2: Convert to fraction form
190,716,480/411,916,824 = 411,916,824/x - Step 3: Cross multiply
190,716,480x = 411,916,824 × 411,916,824 - Step 4: Simplify right side
190,716,480x = 169,675,469,894,246,976 - Step 5: Solve for x
x = 169,675,469,894,246,976/190,716,480 - Step 6: Final answer
x = 889,673,875.56
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.