Finding the Third Proportional to 669,415.50 and 1,471,509
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Solution
The third proportional to 669,415.50 and 1,471,509 is: 3,234,670.75
Step by Step Solution
- Step 1: Write the proportion equation
669,415.50 : 1,471,509 = 1,471,509 : x - Step 2: Convert to fraction form
669,415.50/1,471,509 = 1,471,509/x - Step 3: Cross multiply
669,415.50x = 1,471,509 × 1,471,509 - Step 4: Simplify right side
669,415.50x = 2,165,338,737,081 - Step 5: Solve for x
x = 2,165,338,737,081/669,415.50 - Step 6: Final answer
x = 3,234,670.75
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.