Finding the Third Proportional to 121,438,991 and 177,603,977
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Solution
The third proportional to 121,438,991 and 177,603,977 is: 259,745,015.88
Step by Step Solution
- Step 1: Write the proportion equation
121,438,991 : 177,603,977 = 177,603,977 : x - Step 2: Convert to fraction form
121,438,991/177,603,977 = 177,603,977/x - Step 3: Cross multiply
121,438,991x = 177,603,977 × 177,603,977 - Step 4: Simplify right side
121,438,991x = 31,543,172,646,216,528 - Step 5: Solve for x
x = 31,543,172,646,216,528/121,438,991 - Step 6: Final answer
x = 259,745,015.88
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.