Finding the Third Proportional to 77,011.50 and 155,166.75
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Solution
The third proportional to 77,011.50 and 155,166.75 is: 312,637.99
Step by Step Solution
- Step 1: Write the proportion equation
77,011.50 : 155,166.75 = 155,166.75 : x - Step 2: Convert to fraction form
77,011.50/155,166.75 = 155,166.75/x - Step 3: Cross multiply
77,011.50x = 155,166.75 × 155,166.75 - Step 4: Simplify right side
77,011.50x = 24,076,720,305.56 - Step 5: Solve for x
x = 24,076,720,305.56/77,011.50 - Step 6: Final answer
x = 312,637.99
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Why These Related Problems?
These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.