Finding the Third Proportional to 129,427.50 and 302,289.75
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Solution
The third proportional to 129,427.50 and 302,289.75 is: 706,025.33
Step by Step Solution
- Step 1: Write the proportion equation
129,427.50 : 302,289.75 = 302,289.75 : x - Step 2: Convert to fraction form
129,427.50/302,289.75 = 302,289.75/x - Step 3: Cross multiply
129,427.50x = 302,289.75 × 302,289.75 - Step 4: Simplify right side
129,427.50x = 91,379,092,955.06 - Step 5: Solve for x
x = 91,379,092,955.06/129,427.50 - Step 6: Final answer
x = 706,025.33
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Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.