Finding the Third Proportional to 138,163,086 and 297,848,439
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Solution
The third proportional to 138,163,086 and 297,848,439 is: 642,094,029.48
Step by Step Solution
- Step 1: Write the proportion equation
138,163,086 : 297,848,439 = 297,848,439 : x - Step 2: Convert to fraction form
138,163,086/297,848,439 = 297,848,439/x - Step 3: Cross multiply
138,163,086x = 297,848,439 × 297,848,439 - Step 4: Simplify right side
138,163,086x = 88,713,692,614,736,720 - Step 5: Solve for x
x = 88,713,692,614,736,720/138,163,086 - Step 6: Final answer
x = 642,094,029.48
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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.