Finding the Third Proportional to 405,235 and 938,045
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Solution
The third proportional to 405,235 and 938,045 is: 2,171,402.82
Step by Step Solution
- Step 1: Write the proportion equation
405,235 : 938,045 = 938,045 : x - Step 2: Convert to fraction form
405,235/938,045 = 938,045/x - Step 3: Cross multiply
405,235x = 938,045 × 938,045 - Step 4: Simplify right side
405,235x = 879,928,422,025 - Step 5: Solve for x
x = 879,928,422,025/405,235 - Step 6: Final answer
x = 2,171,402.82
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Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.