Finding the Third Proportional to 129,076.50 and 277,927.50
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Solution
The third proportional to 129,076.50 and 277,927.50 is: 598,433.45
Step by Step Solution
- Step 1: Write the proportion equation
129,076.50 : 277,927.50 = 277,927.50 : x - Step 2: Convert to fraction form
129,076.50/277,927.50 = 277,927.50/x - Step 3: Cross multiply
129,076.50x = 277,927.50 × 277,927.50 - Step 4: Simplify right side
129,076.50x = 77,243,695,256.25 - Step 5: Solve for x
x = 77,243,695,256.25/129,076.50 - Step 6: Final answer
x = 598,433.45
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.