Finding the Third Proportional to 129,268.13 and 279,292.50
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Solution
The third proportional to 129,268.13 and 279,292.50 is: 603,430.28
Step by Step Solution
- Step 1: Write the proportion equation
129,268.13 : 279,292.50 = 279,292.50 : x - Step 2: Convert to fraction form
129,268.13/279,292.50 = 279,292.50/x - Step 3: Cross multiply
129,268.13x = 279,292.50 × 279,292.50 - Step 4: Simplify right side
129,268.13x = 78,004,300,556.25 - Step 5: Solve for x
x = 78,004,300,556.25/129,268.13 - Step 6: Final answer
x = 603,430.28
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.