Finding the Third Proportional to 68,620.50 and 106,935.75
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Solution
The third proportional to 68,620.50 and 106,935.75 is: 166,644.87
Step by Step Solution
- Step 1: Write the proportion equation
68,620.50 : 106,935.75 = 106,935.75 : x - Step 2: Convert to fraction form
68,620.50/106,935.75 = 106,935.75/x - Step 3: Cross multiply
68,620.50x = 106,935.75 × 106,935.75 - Step 4: Simplify right side
68,620.50x = 11,435,254,628.06 - Step 5: Solve for x
x = 11,435,254,628.06/68,620.50 - Step 6: Final answer
x = 166,644.87
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.