Finding the Third Proportional to 75,059.16 and 139,044.09
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Solution
The third proportional to 75,059.16 and 139,044.09 is: 257,573.64
Step by Step Solution
- Step 1: Write the proportion equation
75,059.16 : 139,044.09 = 139,044.09 : x - Step 2: Convert to fraction form
75,059.16/139,044.09 = 139,044.09/x - Step 3: Cross multiply
75,059.16x = 139,044.09 × 139,044.09 - Step 4: Simplify right side
75,059.16x = 19,333,260,006.76 - Step 5: Solve for x
x = 19,333,260,006.76/75,059.16 - Step 6: Final answer
x = 257,573.64
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Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.