Finding the Third Proportional to 3,989,589.19 and 6,318,384.75
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Solution
The third proportional to 3,989,589.19 and 6,318,384.75 is: 10,006,540.52
Step by Step Solution
- Step 1: Write the proportion equation
3,989,589.19 : 6,318,384.75 = 6,318,384.75 : x - Step 2: Convert to fraction form
3,989,589.19/6,318,384.75 = 6,318,384.75/x - Step 3: Cross multiply
3,989,589.19x = 6,318,384.75 × 6,318,384.75 - Step 4: Simplify right side
3,989,589.19x = 39,921,985,849,032.56 - Step 5: Solve for x
x = 39,921,985,849,032.56/3,989,589.19 - Step 6: Final answer
x = 10,006,540.52
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.