Finding the Third Proportional to 918,112 and 1,418,154
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Solution
The third proportional to 918,112 and 1,418,154 is: 2,190,539.68
Step by Step Solution
- Step 1: Write the proportion equation
918,112 : 1,418,154 = 1,418,154 : x - Step 2: Convert to fraction form
918,112/1,418,154 = 1,418,154/x - Step 3: Cross multiply
918,112x = 1,418,154 × 1,418,154 - Step 4: Simplify right side
918,112x = 2,011,160,767,716 - Step 5: Solve for x
x = 2,011,160,767,716/918,112 - Step 6: Final answer
x = 2,190,539.68
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.