Finding the Third Proportional to 747,417 and 1,621,437
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Solution
The third proportional to 747,417 and 1,621,437 is: 3,517,524.95
Step by Step Solution
- Step 1: Write the proportion equation
747,417 : 1,621,437 = 1,621,437 : x - Step 2: Convert to fraction form
747,417/1,621,437 = 1,621,437/x - Step 3: Cross multiply
747,417x = 1,621,437 × 1,621,437 - Step 4: Simplify right side
747,417x = 2,629,057,944,969 - Step 5: Solve for x
x = 2,629,057,944,969/747,417 - Step 6: Final answer
x = 3,517,524.95
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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.