Finding the Third Proportional to 85,621.43 and 121,703.13
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Solution
The third proportional to 85,621.43 and 121,703.13 is: 172,990.02
Step by Step Solution
- Step 1: Write the proportion equation
85,621.43 : 121,703.13 = 121,703.13 : x - Step 2: Convert to fraction form
85,621.43/121,703.13 = 121,703.13/x - Step 3: Cross multiply
85,621.43x = 121,703.13 × 121,703.13 - Step 4: Simplify right side
85,621.43x = 14,811,652,536.38 - Step 5: Solve for x
x = 14,811,652,536.38/85,621.43 - Step 6: Final answer
x = 172,990.02
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.