Finding the Third Proportional to 77,742 and 169,311.75
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Solution
The third proportional to 77,742 and 169,311.75 is: 368,738.50
Step by Step Solution
- Step 1: Write the proportion equation
77,742 : 169,311.75 = 169,311.75 : x - Step 2: Convert to fraction form
77,742/169,311.75 = 169,311.75/x - Step 3: Cross multiply
77,742x = 169,311.75 × 169,311.75 - Step 4: Simplify right side
77,742x = 28,666,468,688.06 - Step 5: Solve for x
x = 28,666,468,688.06/77,742 - Step 6: Final answer
x = 368,738.50
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.