Finding the Third Proportional to 56,641,385 and 121,998,263
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Solution
The third proportional to 56,641,385 and 121,998,263 is: 262,768,577.69
Step by Step Solution
- Step 1: Write the proportion equation
56,641,385 : 121,998,263 = 121,998,263 : x - Step 2: Convert to fraction form
56,641,385/121,998,263 = 121,998,263/x - Step 3: Cross multiply
56,641,385x = 121,998,263 × 121,998,263 - Step 4: Simplify right side
56,641,385x = 14,883,576,175,017,168 - Step 5: Solve for x
x = 14,883,576,175,017,168/56,641,385 - Step 6: Final answer
x = 262,768,577.69
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.