Finding the Third Proportional to 70,940.81 and 155,201.06
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Solution
The third proportional to 70,940.81 and 155,201.06 is: 339,541.78
Step by Step Solution
- Step 1: Write the proportion equation
70,940.81 : 155,201.06 = 155,201.06 : x - Step 2: Convert to fraction form
70,940.81/155,201.06 = 155,201.06/x - Step 3: Cross multiply
70,940.81x = 155,201.06 × 155,201.06 - Step 4: Simplify right side
70,940.81x = 24,087,369,801.13 - Step 5: Solve for x
x = 24,087,369,801.13/70,940.81 - Step 6: Final answer
x = 339,541.78
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.