Finding the Third Proportional to 74,130.75 and 174,910.78
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Solution
The third proportional to 74,130.75 and 174,910.78 is: 412,700.28
Step by Step Solution
- Step 1: Write the proportion equation
74,130.75 : 174,910.78 = 174,910.78 : x - Step 2: Convert to fraction form
74,130.75/174,910.78 = 174,910.78/x - Step 3: Cross multiply
74,130.75x = 174,910.78 × 174,910.78 - Step 4: Simplify right side
74,130.75x = 30,593,781,397.49 - Step 5: Solve for x
x = 30,593,781,397.49/74,130.75 - Step 6: Final answer
x = 412,700.28
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.