Finding the Third Proportional to 138,072,417.75 and 306,792,906.75
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Solution
The third proportional to 138,072,417.75 and 306,792,906.75 is: 681,684,938.71
Step by Step Solution
- Step 1: Write the proportion equation
138,072,417.75 : 306,792,906.75 = 306,792,906.75 : x - Step 2: Convert to fraction form
138,072,417.75/306,792,906.75 = 306,792,906.75/x - Step 3: Cross multiply
138,072,417.75x = 306,792,906.75 × 306,792,906.75 - Step 4: Simplify right side
138,072,417.75x = 94,121,887,632,114,192 - Step 5: Solve for x
x = 94,121,887,632,114,192/138,072,417.75 - Step 6: Final answer
x = 681,684,938.71
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.