Finding the Third Proportional to 122,420.74 and 189,166.96
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Solution
The third proportional to 122,420.74 and 189,166.96 is: 292,304.53
Step by Step Solution
- Step 1: Write the proportion equation
122,420.74 : 189,166.96 = 189,166.96 : x - Step 2: Convert to fraction form
122,420.74/189,166.96 = 189,166.96/x - Step 3: Cross multiply
122,420.74x = 189,166.96 × 189,166.96 - Step 4: Simplify right side
122,420.74x = 35,784,137,632.46 - Step 5: Solve for x
x = 35,784,137,632.46/122,420.74 - Step 6: Final answer
x = 292,304.53
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.