Finding the Third Proportional to 3,988.13 and 8,556.75
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Solution
The third proportional to 3,988.13 and 8,556.75 is: 18,359.00
Step by Step Solution
- Step 1: Write the proportion equation
3,988.13 : 8,556.75 = 8,556.75 : x - Step 2: Convert to fraction form
3,988.13/8,556.75 = 8,556.75/x - Step 3: Cross multiply
3,988.13x = 8,556.75 × 8,556.75 - Step 4: Simplify right side
3,988.13x = 73,217,970.56 - Step 5: Solve for x
x = 73,217,970.56/3,988.13 - Step 6: Final answer
x = 18,359.00
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.