Finding the Third Proportional to 115,665,862 and 154,203,942
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Solution
The third proportional to 115,665,862 and 154,203,942 is: 205,582,315.45
Step by Step Solution
- Step 1: Write the proportion equation
115,665,862 : 154,203,942 = 154,203,942 : x - Step 2: Convert to fraction form
115,665,862/154,203,942 = 154,203,942/x - Step 3: Cross multiply
115,665,862x = 154,203,942 × 154,203,942 - Step 4: Simplify right side
115,665,862x = 23,778,855,728,339,364 - Step 5: Solve for x
x = 23,778,855,728,339,364/115,665,862 - Step 6: Final answer
x = 205,582,315.45
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.