Finding the Third Proportional to 7,129.13 and 15,487.88
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Solution
The third proportional to 7,129.13 and 15,487.88 is: 33,647.08
Step by Step Solution
- Step 1: Write the proportion equation
7,129.13 : 15,487.88 = 15,487.88 : x - Step 2: Convert to fraction form
7,129.13/15,487.88 = 15,487.88/x - Step 3: Cross multiply
7,129.13x = 15,487.88 × 15,487.88 - Step 4: Simplify right side
7,129.13x = 239,874,272.02 - Step 5: Solve for x
x = 239,874,272.02/7,129.13 - Step 6: Final answer
x = 33,647.08
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.