Finding the Third Proportional to 122,938 and 189,870
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Solution
The third proportional to 122,938 and 189,870 is: 293,242.26
Step by Step Solution
- Step 1: Write the proportion equation
122,938 : 189,870 = 189,870 : x - Step 2: Convert to fraction form
122,938/189,870 = 189,870/x - Step 3: Cross multiply
122,938x = 189,870 × 189,870 - Step 4: Simplify right side
122,938x = 36,050,616,900 - Step 5: Solve for x
x = 36,050,616,900/122,938 - Step 6: Final answer
x = 293,242.26
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.