Finding the Third Proportional to 311,416,220 and 437,986,078
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Solution
The third proportional to 311,416,220 and 437,986,078 is: 615,998,115.07
Step by Step Solution
- Step 1: Write the proportion equation
311,416,220 : 437,986,078 = 437,986,078 : x - Step 2: Convert to fraction form
311,416,220/437,986,078 = 437,986,078/x - Step 3: Cross multiply
311,416,220x = 437,986,078 × 437,986,078 - Step 4: Simplify right side
311,416,220x = 191,831,804,521,822,080 - Step 5: Solve for x
x = 191,831,804,521,822,080/311,416,220 - Step 6: Final answer
x = 615,998,115.07
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.