Finding the Third Proportional to 7,647.75 and 15,612.75
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Solution
The third proportional to 7,647.75 and 15,612.75 is: 31,873.16
Step by Step Solution
- Step 1: Write the proportion equation
7,647.75 : 15,612.75 = 15,612.75 : x - Step 2: Convert to fraction form
7,647.75/15,612.75 = 15,612.75/x - Step 3: Cross multiply
7,647.75x = 15,612.75 × 15,612.75 - Step 4: Simplify right side
7,647.75x = 243,757,962.56 - Step 5: Solve for x
x = 243,757,962.56/7,647.75 - Step 6: Final answer
x = 31,873.16
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.