Finding the Third Proportional to 76,724,739 and 164,393,214
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Solution
The third proportional to 76,724,739 and 164,393,214 is: 352,234,874.45
Step by Step Solution
- Step 1: Write the proportion equation
76,724,739 : 164,393,214 = 164,393,214 : x - Step 2: Convert to fraction form
76,724,739/164,393,214 = 164,393,214/x - Step 3: Cross multiply
76,724,739x = 164,393,214 × 164,393,214 - Step 4: Simplify right side
76,724,739x = 27,025,128,809,249,796 - Step 5: Solve for x
x = 27,025,128,809,249,796/76,724,739 - Step 6: Final answer
x = 352,234,874.45
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.