Finding the Third Proportional to 128,818.13 and 149,730.75
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Solution
The third proportional to 128,818.13 and 149,730.75 is: 174,038.38
Step by Step Solution
- Step 1: Write the proportion equation
128,818.13 : 149,730.75 = 149,730.75 : x - Step 2: Convert to fraction form
128,818.13/149,730.75 = 149,730.75/x - Step 3: Cross multiply
128,818.13x = 149,730.75 × 149,730.75 - Step 4: Simplify right side
128,818.13x = 22,419,297,495.56 - Step 5: Solve for x
x = 22,419,297,495.56/128,818.13 - Step 6: Final answer
x = 174,038.38
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Why These Related Problems?
These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.