Finding the Third Proportional to 427,686.75 and 994,479.75
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Solution
The third proportional to 427,686.75 and 994,479.75 is: 2,312,416.68
Step by Step Solution
- Step 1: Write the proportion equation
427,686.75 : 994,479.75 = 994,479.75 : x - Step 2: Convert to fraction form
427,686.75/994,479.75 = 994,479.75/x - Step 3: Cross multiply
427,686.75x = 994,479.75 × 994,479.75 - Step 4: Simplify right side
427,686.75x = 988,989,973,160.06 - Step 5: Solve for x
x = 988,989,973,160.06/427,686.75 - Step 6: Final answer
x = 2,312,416.68
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Why These Related Problems?
These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.