Finding the Third Proportional to 455,566.50 and 989,772.75
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Solution
The third proportional to 455,566.50 and 989,772.75 is: 2,150,399.77
Step by Step Solution
- Step 1: Write the proportion equation
455,566.50 : 989,772.75 = 989,772.75 : x - Step 2: Convert to fraction form
455,566.50/989,772.75 = 989,772.75/x - Step 3: Cross multiply
455,566.50x = 989,772.75 × 989,772.75 - Step 4: Simplify right side
455,566.50x = 979,650,096,642.56 - Step 5: Solve for x
x = 979,650,096,642.56/455,566.50 - Step 6: Final answer
x = 2,150,399.77
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.