Finding the Third Proportional to 998,608,390 and 2,171,029,908
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Solution
The third proportional to 998,608,390 and 2,171,029,908 is: 4,719,939,175.99
Step by Step Solution
- Step 1: Write the proportion equation
998,608,390 : 2,171,029,908 = 2,171,029,908 : x - Step 2: Convert to fraction form
998,608,390/2,171,029,908 = 2,171,029,908/x - Step 3: Cross multiply
998,608,390x = 2,171,029,908 × 2,171,029,908 - Step 4: Simplify right side
998,608,390x = 4,713,370,861,430,488,064 - Step 5: Solve for x
x = 4,713,370,861,430,488,064/998,608,390 - Step 6: Final answer
x = 4,719,939,175.99
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.