Finding the Third Proportional to 138,163,077 and 297,848,421
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Solution
The third proportional to 138,163,077 and 297,848,421 is: 642,093,993.70
Step by Step Solution
- Step 1: Write the proportion equation
138,163,077 : 297,848,421 = 297,848,421 : x - Step 2: Convert to fraction form
138,163,077/297,848,421 = 297,848,421/x - Step 3: Cross multiply
138,163,077x = 297,848,421 × 297,848,421 - Step 4: Simplify right side
138,163,077x = 88,713,681,892,193,248 - Step 5: Solve for x
x = 88,713,681,892,193,248/138,163,077 - Step 6: Final answer
x = 642,093,993.70
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.