Finding the Third Proportional to 149,885.86 and 321,138.84
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Solution
The third proportional to 149,885.86 and 321,138.84 is: 688,057.95
Step by Step Solution
- Step 1: Write the proportion equation
149,885.86 : 321,138.84 = 321,138.84 : x - Step 2: Convert to fraction form
149,885.86/321,138.84 = 321,138.84/x - Step 3: Cross multiply
149,885.86x = 321,138.84 × 321,138.84 - Step 4: Simplify right side
149,885.86x = 103,130,156,965.09 - Step 5: Solve for x
x = 103,130,156,965.09/149,885.86 - Step 6: Final answer
x = 688,057.95
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.