Finding the Third Proportional to 678,730.50 and 1,340,325
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Solution
The third proportional to 678,730.50 and 1,340,325 is: 2,646,810.63
Step by Step Solution
- Step 1: Write the proportion equation
678,730.50 : 1,340,325 = 1,340,325 : x - Step 2: Convert to fraction form
678,730.50/1,340,325 = 1,340,325/x - Step 3: Cross multiply
678,730.50x = 1,340,325 × 1,340,325 - Step 4: Simplify right side
678,730.50x = 1,796,471,105,625 - Step 5: Solve for x
x = 1,796,471,105,625/678,730.50 - Step 6: Final answer
x = 2,646,810.63
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Why These Related Problems?
These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.