Finding the Third Proportional to 87,430.75 and 135,020.50
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Solution
The third proportional to 87,430.75 and 135,020.50 is: 208,514.00
Step by Step Solution
- Step 1: Write the proportion equation
87,430.75 : 135,020.50 = 135,020.50 : x - Step 2: Convert to fraction form
87,430.75/135,020.50 = 135,020.50/x - Step 3: Cross multiply
87,430.75x = 135,020.50 × 135,020.50 - Step 4: Simplify right side
87,430.75x = 18,230,535,420.25 - Step 5: Solve for x
x = 18,230,535,420.25/87,430.75 - Step 6: Final answer
x = 208,514.00
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.