Finding the Third Proportional to 665,644.50 and 1,458,000
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Solution
The third proportional to 665,644.50 and 1,458,000 is: 3,193,542.50
Step by Step Solution
- Step 1: Write the proportion equation
665,644.50 : 1,458,000 = 1,458,000 : x - Step 2: Convert to fraction form
665,644.50/1,458,000 = 1,458,000/x - Step 3: Cross multiply
665,644.50x = 1,458,000 × 1,458,000 - Step 4: Simplify right side
665,644.50x = 2,125,764,000,000 - Step 5: Solve for x
x = 2,125,764,000,000/665,644.50 - Step 6: Final answer
x = 3,193,542.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.