Finding the Third Proportional to 449,128.13 and 985,209.75
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Solution
The third proportional to 449,128.13 and 985,209.75 is: 2,161,161.14
Step by Step Solution
- Step 1: Write the proportion equation
449,128.13 : 985,209.75 = 985,209.75 : x - Step 2: Convert to fraction form
449,128.13/985,209.75 = 985,209.75/x - Step 3: Cross multiply
449,128.13x = 985,209.75 × 985,209.75 - Step 4: Simplify right side
449,128.13x = 970,638,251,495.06 - Step 5: Solve for x
x = 970,638,251,495.06/449,128.13 - Step 6: Final answer
x = 2,161,161.14
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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.