Finding the Third Proportional to 121,212,340 and 181,958,478
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Solution
The third proportional to 121,212,340 and 181,958,478 is: 273,147,830.63
Step by Step Solution
- Step 1: Write the proportion equation
121,212,340 : 181,958,478 = 181,958,478 : x - Step 2: Convert to fraction form
121,212,340/181,958,478 = 181,958,478/x - Step 3: Cross multiply
121,212,340x = 181,958,478 × 181,958,478 - Step 4: Simplify right side
121,212,340x = 33,108,887,716,076,484 - Step 5: Solve for x
x = 33,108,887,716,076,484/121,212,340 - Step 6: Final answer
x = 273,147,830.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.