Finding the Third Proportional to 919,431 and 1,427,260.50
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Solution
The third proportional to 919,431 and 1,427,260.50 is: 2,215,579.56
Step by Step Solution
- Step 1: Write the proportion equation
919,431 : 1,427,260.50 = 1,427,260.50 : x - Step 2: Convert to fraction form
919,431/1,427,260.50 = 1,427,260.50/x - Step 3: Cross multiply
919,431x = 1,427,260.50 × 1,427,260.50 - Step 4: Simplify right side
919,431x = 2,037,072,534,860.25 - Step 5: Solve for x
x = 2,037,072,534,860.25/919,431 - Step 6: Final answer
x = 2,215,579.56
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.