Finding the Third Proportional to 85,303.50 and 129,129.75
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Solution
The third proportional to 85,303.50 and 129,129.75 is: 195,472.55
Step by Step Solution
- Step 1: Write the proportion equation
85,303.50 : 129,129.75 = 129,129.75 : x - Step 2: Convert to fraction form
85,303.50/129,129.75 = 129,129.75/x - Step 3: Cross multiply
85,303.50x = 129,129.75 × 129,129.75 - Step 4: Simplify right side
85,303.50x = 16,674,492,335.06 - Step 5: Solve for x
x = 16,674,492,335.06/85,303.50 - Step 6: Final answer
x = 195,472.55
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.