Finding the Third Proportional to 90,192 and 121,679
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Solution
The third proportional to 90,192 and 121,679 is: 164,158.45
Step by Step Solution
- Step 1: Write the proportion equation
90,192 : 121,679 = 121,679 : x - Step 2: Convert to fraction form
90,192/121,679 = 121,679/x - Step 3: Cross multiply
90,192x = 121,679 × 121,679 - Step 4: Simplify right side
90,192x = 14,805,779,041 - Step 5: Solve for x
x = 14,805,779,041/90,192 - Step 6: Final answer
x = 164,158.45
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.