Finding the Third Proportional to 7,129.88 and 15,258.75
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Solution
The third proportional to 7,129.88 and 15,258.75 is: 32,655.47
Step by Step Solution
- Step 1: Write the proportion equation
7,129.88 : 15,258.75 = 15,258.75 : x - Step 2: Convert to fraction form
7,129.88/15,258.75 = 15,258.75/x - Step 3: Cross multiply
7,129.88x = 15,258.75 × 15,258.75 - Step 4: Simplify right side
7,129.88x = 232,829,451.56 - Step 5: Solve for x
x = 232,829,451.56/7,129.88 - Step 6: Final answer
x = 32,655.47
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.