Finding the Third Proportional to 7,312.78 and 15,992.44
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Solution
The third proportional to 7,312.78 and 15,992.44 is: 34,974.12
Step by Step Solution
- Step 1: Write the proportion equation
7,312.78 : 15,992.44 = 15,992.44 : x - Step 2: Convert to fraction form
7,312.78/15,992.44 = 15,992.44/x - Step 3: Cross multiply
7,312.78x = 15,992.44 × 15,992.44 - Step 4: Simplify right side
7,312.78x = 255,758,057.19 - Step 5: Solve for x
x = 255,758,057.19/7,312.78 - Step 6: Final answer
x = 34,974.12
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.